---- Minecraft Crash Report ----
// Oh - I know what I did wrong!

Time: 19.11.21, 21:28
Description: Exception in server tick loop

java.util.concurrent.CompletionException: z: Feature placement
	at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:315)
	at java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:320)
	at java.base/java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1159)
	at java.base/java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:482)
	at acx.b(SourceFile:58)
	at auk.g(SourceFile:91)
	at auk.a(SourceFile:146)
	at auk.run(SourceFile:102)
	at java.base/java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1395)
	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373)
	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
Caused by: z: Feature placement
	at acv.a(SourceFile:639)
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38)
	at acv.a(SourceFile:621)
	at java.base/java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1150)
	... 11 more
Caused by: java.lang.IllegalArgumentException: Cannot set property cou{name=extended, clazz=class java.lang.Boolean, values=[true, false]} as it does not exist in Block{minecraft:air}
	at coe.a(SourceFile:117)
	at cny.a(SourceFile:364)
	at cnu.c(SourceFile:115)
	at cob$a.b(SourceFile:839)
	at cob$a.k(SourceFile:835)
	at cjk.a(SourceFile:96)
	at cob$a.a(SourceFile:969)
	at caz.b(SourceFile:310)
	at cye.a(SourceFile:41)
	at cvv.a(SourceFile:80)
	at ddw.a(SourceFile:56)
	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
	at java.base/java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:411)
	at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762)
	at java.base/java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:276)
	at java.base/java.util.stream.Streams$StreamBuilderImpl.forEachRemaining(Streams.java:411)
	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
	at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
	at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
	at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596)
	at ddw.a(SourceFile:55)
	at ddw.b(SourceFile:44)
	at cpz.a(SourceFile:315)
	at cqb.c(SourceFile:146)
	at cqb.a(SourceFile:289)
	at acv.a(SourceFile:627)
	... 14 more


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
	Minecraft Version: 1.18 Pre-release 5
	Minecraft Version ID: 1.18-pre5
	Operating System: Mac OS X (x86_64) version 12.0.1
	Java Version: 17.0.1, Microsoft
	Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft
	Memory: 699482712 bytes (667 MiB) / 2147483648 bytes (2048 MiB) up to 2147483648 bytes (2048 MiB)
	CPUs: 4
	Processor Vendor: GenuineIntel
	Processor Name: Intel(R) Core(TM) i5-5350U CPU @ 1.80GHz
	Identifier: Intel64 Family 6 Model 61 Stepping 4
	Microarchitecture: Broadwell (Client)
	Frequency (GHz): 1,80
	Number of physical packages: 1
	Number of physical CPUs: 2
	Number of logical CPUs: 4
	Graphics card #0 name: Intel HD Graphics 6000
	Graphics card #0 vendor: Intel
	Graphics card #0 VRAM (MB): 1536,00
	Graphics card #0 deviceId: 0x1626
	Graphics card #0 versionInfo: Revision ID: 0x0009
	Memory slot #0 capacity (MB): 4096,00
	Memory slot #0 clockSpeed (GHz): 1,60
	Memory slot #0 type: DDR3
	Memory slot #1 capacity (MB): 4096,00
	Memory slot #1 clockSpeed (GHz): 1,60
	Memory slot #1 type: DDR3
	Virtual memory max (MB): 9216,00
	Virtual memory used (MB): 6114,03
	Swap memory total (MB): 1024,00
	Swap memory used (MB): 639,50
	JVM Flags: 8 total; -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
	Player Count: 1 / 8; [adj['RobinDinVienna'/258, l='ServerLevel[1.12.2 Crashing]', x=125.51, y=255.00, z=177.33]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Client jar signature and brand is untouched; Server jar signature and brand is untouched