[09:05:03] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:04] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:05] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:05] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:05] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:05] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:05] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:05] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:05] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:06] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:06] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:06] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:06] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:06] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:06] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:06] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:06] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:06] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:06] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:06] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:06] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:06] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:06] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:06] [Render thread/INFO]: Preparing spawn area: 47%
[09:05:06] [Render thread/INFO]: Preparing spawn area: 47%
[09:05:06] [Render thread/INFO]: Preparing spawn area: 47%
[09:05:06] [Render thread/INFO]: Preparing spawn area: 47%
[09:05:06] [Render thread/INFO]: Preparing spawn area: 47%
[09:05:08] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:08] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:08] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:08] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:08] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:08] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:08] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:08] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:08] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:08] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:08] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:08] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:08] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:08] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:08] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:08] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:08] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:08] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:08] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:08] [Render thread/INFO]: Preparing spawn area: 50%
[09:05:08] [Render thread/INFO]: Preparing spawn area: 50%
[09:05:08] [Render thread/INFO]: Preparing spawn area: 50%
[09:05:08] [Render thread/INFO]: Preparing spawn area: 50%
[09:05:08] [Render thread/INFO]: Preparing spawn area: 50%
[09:05:09] [Render thread/INFO]: Preparing spawn area: 55%
[09:05:09] [Render thread/INFO]: Preparing spawn area: 55%
[09:05:10] [Render thread/INFO]: Preparing spawn area: 56%
[09:05:10] [Render thread/INFO]: Preparing spawn area: 57%
[09:05:10] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:10] [Server-Worker-298/WARN]: Server-Worker-298 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:10] [Server-Worker-297/WARN]: Server-Worker-297 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:10] [Server-Worker-296/WARN]: Server-Worker-296 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:10] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:10] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:10] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:10] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:10] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:10] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:10] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:10] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:10] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:10] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:10] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:10] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:10] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:10] [Server thread/FATAL]: Error executing task on Chunk source main thread executor for minecraft:overworld
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-299/WARN]: Server-Worker-299 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-301/WARN]: Server-Worker-301 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-300/WARN]: Server-Worker-300 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-302/WARN]: Server-Worker-302 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-303/WARN]: Server-Worker-303 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-304/WARN]: Server-Worker-304 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-305/WARN]: Server-Worker-305 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-307/WARN]: Server-Worker-307 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-306/WARN]: Server-Worker-306 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-308/WARN]: Server-Worker-308 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-309/WARN]: Server-Worker-309 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-311/WARN]: Server-Worker-311 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-310/WARN]: Server-Worker-310 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-312/WARN]: Server-Worker-312 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-313/WARN]: Server-Worker-313 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-314/WARN]: Server-Worker-314 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-315/WARN]: Server-Worker-315 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-317/WARN]: Server-Worker-317 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-318/WARN]: Server-Worker-318 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-316/WARN]: Server-Worker-316 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-320/WARN]: Server-Worker-320 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-319/WARN]: Server-Worker-319 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-321/WARN]: Server-Worker-321 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-322/WARN]: Server-Worker-322 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-324/WARN]: Server-Worker-324 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-323/WARN]: Server-Worker-323 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-325/WARN]: Server-Worker-325 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-326/WARN]: Server-Worker-326 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-327/WARN]: Server-Worker-327 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-328/WARN]: Server-Worker-328 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-329/WARN]: Server-Worker-329 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-331/WARN]: Server-Worker-331 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-330/WARN]: Server-Worker-330 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-332/WARN]: Server-Worker-332 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-335/WARN]: Server-Worker-335 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-333/WARN]: Server-Worker-333 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-334/WARN]: Server-Worker-334 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-336/WARN]: Server-Worker-336 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
[09:05:11] [Server-Worker-337/WARN]: Server-Worker-337 died
java.util.concurrent.CompletionException: q: Feature placement
	at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:273) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:280) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:961) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926) ~[?:1.8.0_51]
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442) ~[?:1.8.0_51]
	at wr.b(SourceFile:58) ~[1.15.2.jar:?]
	at wr$$Lambda$2967/746621578.run(Unknown Source) ~[?:?]
	at aiv.e(SourceFile:83) ~[1.15.2.jar:?]
	at aiv.a(SourceFile:123) ~[1.15.2.jar:?]
	at aiv.run(SourceFile:91) ~[1.15.2.jar:?]
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51]
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) [?:1.8.0_51]
Caused by: q: Feature placement
	at wp.a(SourceFile:560) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: java.lang.RuntimeException: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]
	at cmg.a(SourceFile:34) ~[1.15.2.jar:?]
	at cms.a(SourceFile:356) ~[1.15.2.jar:?]
	at cms.a(SourceFile:203) ~[1.15.2.jar:?]
	at cij.a(SourceFile:108) ~[1.15.2.jar:?]
	at clo.a(SourceFile:74) ~[1.15.2.jar:?]
	at clv.a(SourceFile:63) ~[1.15.2.jar:?]
	at cfl.a(SourceFile:78) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at cka.a(SourceFile:91) ~[1.15.2.jar:?]
	at cka$$Lambda$3989/1591423874.accept(Unknown Source) ~[?:?]
	at java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:419) ~[?:1.8.0_51]
	at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:1.8.0_51]
	at cka.a(SourceFile:90) ~[1.15.2.jar:?]
	at cjj.a(SourceFile:36) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:21) ~[1.15.2.jar:?]
	at cdi.a(SourceFile:14) ~[1.15.2.jar:?]
	at cdc.a(SourceFile:53) ~[1.15.2.jar:?]
	at bkt.a(SourceFile:417) ~[1.15.2.jar:?]
	at caa.a(SourceFile:125) ~[1.15.2.jar:?]
	at cae.c(SourceFile:84) ~[1.15.2.jar:?]
	at cae$$Lambda$1076/901737914.doWork(Unknown Source) ~[?:?]
	at cae.a(SourceFile:214) ~[1.15.2.jar:?]
	at wp.a(SourceFile:549) ~[1.15.2.jar:?]
	at wp$$Lambda$3022/2051308702.apply(Unknown Source) ~[?:?]
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-2.0.24.jar:?]
	at wp.a(SourceFile:543) ~[1.15.2.jar:?]
	at wp$$Lambda$3019/64207543.apply(Unknown Source) ~[?:?]
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952) ~[?:1.8.0_51]
	... 12 more
Caused by: com.mojang.brigadier.exceptions.CommandSyntaxException: Block minecraft:spruce_stairs does not have property 'fasing' at position 72: ...ed=false, <--[HERE]