---- 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: net.minecraft.ReportedException: 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 net.minecraft.server.level.ChunkTaskPriorityQueueSorter.void lambda$message$1(java.lang.Runnable,net.minecraft.util.thread.ProcessorHandle)(ChunkTaskPriorityQueueSorter.java:58)
	at net.minecraft.util.thread.ProcessorMailbox.boolean pollTask()(ProcessorMailbox.java:91)
	at net.minecraft.util.thread.ProcessorMailbox.int pollUntil(it.unimi.dsi.fastutil.ints.Int2BooleanFunction)(ProcessorMailbox.java:146)
	at net.minecraft.util.thread.ProcessorMailbox.void run()(ProcessorMailbox.java:102)
	at java.base/java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1395)
	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373)
	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
Caused by: net.minecraft.ReportedException: Feature placement
	at net.minecraft.server.level.ChunkMap.java.util.concurrent.CompletableFuture lambda$scheduleChunkGeneration$20(net.minecraft.world.level.ChunkPos,net.minecraft.server.level.ChunkHolder,net.minecraft.world.level.chunk.ChunkStatus,java.util.concurrent.Executor,java.util.List)(ChunkMap.java:639)
	at com.mojang.datafixers.util.Either$Left.null map(null)(Either.java:38)
	at net.minecraft.server.level.ChunkMap.java.util.concurrent.CompletionStage lambda$scheduleChunkGeneration$22(net.minecraft.world.level.ChunkPos,net.minecraft.server.level.ChunkHolder,net.minecraft.world.level.chunk.ChunkStatus,java.util.concurrent.Executor,com.mojang.datafixers.util.Either)(ChunkMap.java:621)
	at java.base/java.util.concurrent.CompletableFuture$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 net.minecraft.world.level.block.state.StateHolder.java.lang.Object setValue(net.minecraft.world.level.block.state.properties.Property,java.lang.Comparable)(StateHolder.java:117)
	at net.minecraft.world.level.block.piston.PistonMovingBlockEntity.net.minecraft.world.phys.shapes.VoxelShape getCollisionShape(net.minecraft.world.level.BlockGetter,net.minecraft.core.BlockPos)(PistonMovingBlockEntity.java:364)
	at net.minecraft.world.level.block.piston.MovingPistonBlock.net.minecraft.world.phys.shapes.VoxelShape getCollisionShape(net.minecraft.world.level.block.state.BlockState,net.minecraft.world.level.BlockGetter,net.minecraft.core.BlockPos,net.minecraft.world.phys.shapes.CollisionContext)(MovingPistonBlock.java:115)
	at net.minecraft.world.level.block.state.BlockBehaviour$BlockStateBase.net.minecraft.world.phys.shapes.VoxelShape getCollisionShape(net.minecraft.world.level.BlockGetter,net.minecraft.core.BlockPos,net.minecraft.world.phys.shapes.CollisionContext)(BlockBehaviour.java:839)
	at net.minecraft.world.level.block.state.BlockBehaviour$BlockStateBase.net.minecraft.world.phys.shapes.VoxelShape getCollisionShape(net.minecraft.world.level.BlockGetter,net.minecraft.core.BlockPos)(BlockBehaviour.java:835)
	at net.minecraft.world.level.block.SnowLayerBlock.boolean canSurvive(net.minecraft.world.level.block.state.BlockState,net.minecraft.world.level.LevelReader,net.minecraft.core.BlockPos)(SnowLayerBlock.java:96)
	at net.minecraft.world.level.block.state.BlockBehaviour$BlockStateBase.boolean canSurvive(net.minecraft.world.level.LevelReader,net.minecraft.core.BlockPos)(BlockBehaviour.java:969)
	at net.minecraft.world.level.biome.Biome.boolean shouldSnow(net.minecraft.world.level.LevelReader,net.minecraft.core.BlockPos)(Biome.java:310)
	at net.minecraft.world.level.levelgen.feature.SnowAndFreezeFeature.boolean place(net.minecraft.world.level.levelgen.feature.FeaturePlaceContext)(SnowAndFreezeFeature.java:41)
	at net.minecraft.world.level.levelgen.feature.ConfiguredFeature.boolean place(net.minecraft.world.level.WorldGenLevel,net.minecraft.world.level.chunk.ChunkGenerator,java.util.Random,net.minecraft.core.BlockPos)(ConfiguredFeature.java:80)
	at net.minecraft.world.level.levelgen.placement.PlacedFeature.boolean placeWithContext(net.minecraft.world.level.levelgen.placement.PlacementContext,java.util.Random,net.minecraft.core.BlockPos)(PlacedFeature.java:56)
	at net.minecraft.world.level.levelgen.placement.PlacedFeature.void lambda$placeWithContext$4(net.minecraft.world.level.levelgen.feature.ConfiguredFeature,net.minecraft.world.level.levelgen.placement.PlacementContext,java.util.Random,org.apache.commons.lang3.mutable.MutableBoolean,net.minecraft.core.BlockPos)(PlacedFeature.java:56)
	at java.base/java.util.stream.ForEachOps$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$OfRef.evaluateSequential(ForEachOps.java:173)
	at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596)
	at net.minecraft.world.level.levelgen.placement.PlacedFeature.boolean placeWithContext(net.minecraft.world.level.levelgen.placement.PlacementContext,java.util.Random,net.minecraft.core.BlockPos)(PlacedFeature.java:55)
	at net.minecraft.world.level.levelgen.placement.PlacedFeature.boolean placeWithBiomeCheck(net.minecraft.world.level.WorldGenLevel,net.minecraft.world.level.chunk.ChunkGenerator,java.util.Random,net.minecraft.core.BlockPos)(PlacedFeature.java:44)
	at net.minecraft.world.level.chunk.ChunkGenerator.com.mojang.serialization.Codec codec()(ChunkGenerator.java:315)
	at net.minecraft.world.level.chunk.ChunkGenerator.net.minecraft.world.level.chunk.ChunkGenerator withSeed(long)(ChunkGenerator.java:315)
	at net.minecraft.world.level.chunk.ChunkGenerator.void applyCarvers(net.minecraft.server.level.WorldGenRegion,long,net.minecraft.world.level.biome.BiomeManager,net.minecraft.world.level.StructureFeatureManager,net.minecraft.world.level.chunk.ChunkAccess,net.minecraft.world.level.levelgen.GenerationStep$Carving)(ChunkGenerator.java:315)
	at net.minecraft.world.level.chunk.ChunkGenerator.void applyBiomeDecoration(net.minecraft.world.level.WorldGenLevel,net.minecraft.world.level.chunk.ChunkAccess,net.minecraft.world.level.StructureFeatureManager)(ChunkGenerator.java:315)
	at net.minecraft.world.level.chunk.ChunkGenerator.void buildSurface(net.minecraft.server.level.WorldGenRegion,net.minecraft.world.level.StructureFeatureManager,net.minecraft.world.level.chunk.ChunkAccess)(ChunkGenerator.java:315)
	at net.minecraft.world.level.chunk.ChunkGenerator.void spawnOriginalMobs(net.minecraft.server.level.WorldGenRegion)(ChunkGenerator.java:315)
	at net.minecraft.world.level.chunk.ChunkGenerator.java.util.concurrent.CompletableFuture fillFromNoise(java.util.concurrent.Executor,net.minecraft.world.level.levelgen.blending.Blender,net.minecraft.world.level.StructureFeatureManager,net.minecraft.world.level.chunk.ChunkAccess)(ChunkGenerator.java:315)
	at net.minecraft.world.level.chunk.ChunkGenerator.int getBaseHeight(int,int,net.minecraft.world.level.levelgen.Heightmap$Types,net.minecraft.world.level.LevelHeightAccessor)(ChunkGenerator.java:315)
	at net.minecraft.world.level.chunk.ChunkGenerator.net.minecraft.world.level.NoiseColumn getBaseColumn(int,int,net.minecraft.world.level.LevelHeightAccessor)(ChunkGenerator.java:315)
	at net.minecraft.world.level.chunk.ChunkStatus.java.util.concurrent.CompletableFuture lambda$static$12(net.minecraft.world.level.chunk.ChunkStatus,java.util.concurrent.Executor,net.minecraft.server.level.ServerLevel,net.minecraft.world.level.chunk.ChunkGenerator,net.minecraft.world.level.levelgen.structure.templatesystem.StructureManager,net.minecraft.server.level.ThreadedLevelLightEngine,java.util.function.Function,java.util.List,net.minecraft.world.level.chunk.ChunkAccess,boolean)(ChunkStatus.java:146)
	at net.minecraft.world.level.chunk.ChunkStatus.java.util.concurrent.CompletableFuture generate(java.util.concurrent.Executor,net.minecraft.server.level.ServerLevel,net.minecraft.world.level.chunk.ChunkGenerator,net.minecraft.world.level.levelgen.structure.templatesystem.StructureManager,net.minecraft.server.level.ThreadedLevelLightEngine,java.util.function.Function,java.util.List,boolean)(ChunkStatus.java:289)
	at net.minecraft.server.level.ChunkMap.java.util.concurrent.CompletableFuture lambda$scheduleChunkGeneration$20(net.minecraft.world.level.ChunkPos,net.minecraft.server.level.ChunkHolder,net.minecraft.world.level.chunk.ChunkStatus,java.util.concurrent.Executor,java.util.List)(ChunkMap.java: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