---- Minecraft Crash Report ----
// Who set us up the TNT?

Time: 13.11.21, 14:52
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:314)
	at java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:319)
	at java.base/java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1155)
	at java.base/java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:478)
	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:1434)
	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:295)
	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1016)
	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1665)
	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1598)
	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183)
Caused by: net.minecraft.ReportedException: Feature placement
	at net.minecraft.server.level.ChunkMap.java.util.concurrent.CompletableFuture lambda$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:1146)
	... 11 more
Caused by: java.lang.NullPointerException: Cannot invoke "ddm.a(cao, cps, java.util.Random, gh)" because the return value of "java.util.function.Supplier.get()" is null
	at net.minecraft.world.level.levelgen.feature.structures.FeaturePoolElement.boolean place(net.minecraft.world.level.levelgen.structure.templatesystem.StructureManager,net.minecraft.world.level.WorldGenLevel,net.minecraft.world.level.StructureFeatureManager,net.minecraft.world.level.chunk.ChunkGenerator,net.minecraft.core.BlockPos,net.minecraft.core.BlockPos,net.minecraft.world.level.block.Rotation,net.minecraft.world.level.levelgen.structure.BoundingBox,java.util.Random,boolean)(FeaturePoolElement.java:75)
	at net.minecraft.world.level.levelgen.structure.PoolElementStructurePiece.void place(net.minecraft.world.level.WorldGenLevel,net.minecraft.world.level.StructureFeatureManager,net.minecraft.world.level.chunk.ChunkGenerator,java.util.Random,net.minecraft.world.level.levelgen.structure.BoundingBox,net.minecraft.core.BlockPos,boolean)(PoolElementStructurePiece.java:88)
	at net.minecraft.world.level.levelgen.structure.PoolElementStructurePiece.void postProcess(net.minecraft.world.level.WorldGenLevel,net.minecraft.world.level.StructureFeatureManager,net.minecraft.world.level.chunk.ChunkGenerator,java.util.Random,net.minecraft.world.level.levelgen.structure.BoundingBox,net.minecraft.world.level.ChunkPos,net.minecraft.core.BlockPos)(PoolElementStructurePiece.java:84)
	at net.minecraft.world.level.levelgen.structure.StructureStart.void placeInChunk(net.minecraft.world.level.WorldGenLevel,net.minecraft.world.level.StructureFeatureManager,net.minecraft.world.level.chunk.ChunkGenerator,java.util.Random,net.minecraft.world.level.levelgen.structure.BoundingBox,net.minecraft.world.level.ChunkPos)(StructureStart.java:62)
	at net.minecraft.world.level.chunk.ChunkGenerator.com.mojang.serialization.Codec codec()(ChunkGenerator.java:259)
	at net.minecraft.world.level.chunk.ChunkGenerator.net.minecraft.world.level.chunk.ChunkGenerator withSeed(long)(ChunkGenerator.java:259)
	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$Carving)(ChunkGenerator.java:259)
	at net.minecraft.world.level.chunk.ChunkGenerator.void applyBiomeDecoration(net.minecraft.world.level.WorldGenLevel,net.minecraft.world.level.chunk.ChunkAccess,net.minecraft.world.level.StructureFeatureManager)(ChunkGenerator.java:259)
	at net.minecraft.world.level.chunk.ChunkGenerator.void buildSurface(net.minecraft.server.level.WorldGenRegion,net.minecraft.world.level.StructureFeatureManager,net.minecraft.world.level.chunk.ChunkAccess)(ChunkGenerator.java:259)
	at net.minecraft.world.level.chunk.ChunkGenerator.void spawnOriginalMobs(net.minecraft.server.level.WorldGenRegion)(ChunkGenerator.java:259)
	at net.minecraft.world.level.chunk.ChunkGenerator.int getBaseHeight(int,int,net.minecraft.world.level.levelgen.Heightmap$Types,net.minecraft.world.level.LevelHeightAccessor)(ChunkGenerator.java:259)
	at net.minecraft.world.level.chunk.ChunkGenerator.net.minecraft.world.level.NoiseColumn getBaseColumn(int,int,net.minecraft.world.level.LevelHeightAccessor)(ChunkGenerator.java:259)
	at net.minecraft.world.level.chunk.ChunkGenerator.void lambda$applyBiomeDecoration$4(net.minecraft.world.level.WorldGenLevel,net.minecraft.world.level.StructureFeatureManager,net.minecraft.world.level.levelgen.WorldgenRandom,net.minecraft.world.level.chunk.ChunkAccess,net.minecraft.world.level.ChunkPos,net.minecraft.world.level.levelgen.structure.StructureStart)(ChunkGenerator.java:259)
	at com.google.common.collect.ImmutableList.null forEach(null)(ImmutableList.java:422)
	at net.minecraft.world.level.chunk.ChunkGenerator.com.mojang.serialization.Codec codec()(ChunkGenerator.java:258)
	at net.minecraft.world.level.chunk.ChunkGenerator.net.minecraft.world.level.chunk.ChunkGenerator withSeed(long)(ChunkGenerator.java:258)
	at net.minecraft.world.level.chunk.ChunkGenerator.void applyCarvers(net.minecraft.server.level.WorldGenRegion,long,net.minecraft.world.level.biome.BiomeManager,net.minecraft.world.level.StructureFeatureManager,net.minecraft.world.level.chunk.ChunkAccess,net.minecraft.world.level.levelgen.GenerationStep$Carving)(ChunkGenerator.java:258)
	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:258)
	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:258)
	at net.minecraft.world.level.chunk.ChunkGenerator.void spawnOriginalMobs(net.minecraft.server.level.WorldGenRegion)(ChunkGenerator.java:258)
	at net.minecraft.world.level.chunk.ChunkGenerator.int getBaseHeight(int,int,net.minecraft.world.level.levelgen.Heightmap$Types,net.minecraft.world.level.LevelHeightAccessor)(ChunkGenerator.java:258)
	at net.minecraft.world.level.chunk.ChunkGenerator.net.minecraft.world.level.NoiseColumn getBaseColumn(int,int,net.minecraft.world.level.LevelHeightAccessor)(ChunkGenerator.java:258)
	at net.minecraft.world.level.chunk.ChunkStatus.java.util.concurrent.CompletableFuture lambda$static$11(net.minecraft.world.level.chunk.ChunkStatus,java.util.concurrent.Executor,net.minecraft.server.level.ServerLevel,net.minecraft.world.level.chunk.ChunkGenerator,net.minecraft.world.level.levelgen.structure.templatesystem.StructureManager,net.minecraft.server.level.ThreadedLevelLightEngine,java.util.function.Function,java.util.List,net.minecraft.world.level.chunk.ChunkAccess,boolean)(ChunkStatus.java:134)
	at net.minecraft.world.level.chunk.ChunkStatus.java.util.concurrent.CompletableFuture generate(java.util.concurrent.Executor,net.minecraft.server.level.ServerLevel,net.minecraft.world.level.chunk.ChunkGenerator,net.minecraft.world.level.levelgen.structure.templatesystem.StructureManager,net.minecraft.server.level.ThreadedLevelLightEngine,java.util.function.Function,java.util.List,boolean)(ChunkStatus.java:274)
	at net.minecraft.server.level.ChunkMap.java.util.concurrent.CompletableFuture lambda$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:
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-- System Details --
Details:
	Minecraft Version: 1.18 Pre-release 1
	Minecraft Version ID: 1.18-pre1
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 16.0.1, Microsoft
	Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft
	Memory: 1165394768 bytes (1111 MiB) / 2147483648 bytes (2048 MiB) up to 2147483648 bytes (2048 MiB)
	CPUs: 8
	Processor Vendor: GenuineIntel
	Processor Name: Intel(R) Core(TM) i7-9700K CPU @ 3.60GHz
	Identifier: Intel64 Family 6 Model 158 Stepping 13
	Microarchitecture: Coffee Lake
	Frequency (GHz): 3,60
	Number of physical packages: 1
	Number of physical CPUs: 8
	Number of logical CPUs: 8
	Graphics card #0 name: NVIDIA GeForce RTX 2070
	Graphics card #0 vendor: NVIDIA (0x10de)
	Graphics card #0 VRAM (MB): 4095,00
	Graphics card #0 deviceId: 0x1f02
	Graphics card #0 versionInfo: DriverVersion=27.21.14.5671
	Memory slot #0 capacity (MB): 8192,00
	Memory slot #0 clockSpeed (GHz): 2,67
	Memory slot #0 type: DDR4
	Memory slot #1 capacity (MB): 8192,00
	Memory slot #1 clockSpeed (GHz): 2,67
	Memory slot #1 type: DDR4
	Virtual memory max (MB): 21415,84
	Virtual memory used (MB): 14073,06
	Swap memory total (MB): 5120,00
	Swap memory used (MB): 149,86
	JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
	Player Count: 1 / 8; [add['Sakuczya'/2355, l='ServerLevel[Castle in the sky]', x=-287.34, y=66.17, z=162.04]]
	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