---- Minecraft Crash Report ---- // Oops. Time: 11/20/21, 5:25 PM Description: Exception generating new chunk java.lang.IllegalArgumentException: bound must be positive at java.base/java.util.Random.nextInt(Random.java:322) at net.minecraft.world.level.levelgen.structure.pieces.StructurePiecesBuilder.void moveBelowSeaLevel(int,int,java.util.Random,int)(StructurePiecesBuilder.java:48) at net.minecraft.world.level.levelgen.feature.MineshaftFeature.void generatePieces(net.minecraft.world.level.levelgen.structure.pieces.StructurePiecesBuilder,net.minecraft.world.level.levelgen.structure.pieces.PieceGenerator$Context)(MineshaftFeature.java:114) at net.minecraft.world.level.levelgen.feature.StructureFeature.net.minecraft.world.level.levelgen.structure.StructureStart generate(net.minecraft.core.RegistryAccess,net.minecraft.world.level.chunk.ChunkGenerator,net.minecraft.world.level.biome.BiomeSource,net.minecraft.world.level.levelgen.structure.templatesystem.StructureManager,long,net.minecraft.world.level.ChunkPos,int,net.minecraft.world.level.levelgen.feature.configurations.StructureFeatureConfiguration,net.minecraft.world.level.levelgen.feature.configurations.FeatureConfiguration,net.minecraft.world.level.LevelHeightAccessor,java.util.function.Predicate)(StructureFeature.java:261) at net.minecraft.world.level.levelgen.feature.ConfiguredStructureFeature.net.minecraft.world.level.levelgen.structure.StructureStart generate(net.minecraft.core.RegistryAccess,net.minecraft.world.level.chunk.ChunkGenerator,net.minecraft.world.level.biome.BiomeSource,net.minecraft.world.level.levelgen.structure.templatesystem.StructureManager,long,net.minecraft.world.level.ChunkPos,int,net.minecraft.world.level.levelgen.feature.configurations.StructureFeatureConfiguration,net.minecraft.world.level.LevelHeightAccessor,java.util.function.Predicate)(ConfiguredStructureFeature.java:36) at net.minecraft.world.level.chunk.ChunkGenerator.com.mojang.serialization.Codec codec()(ChunkGenerator.java:427) at net.minecraft.world.level.chunk.ChunkGenerator.net.minecraft.world.level.chunk.ChunkGenerator withSeed(long)(ChunkGenerator.java:427) at net.minecraft.world.level.chunk.ChunkGenerator.void applyCarvers(net.minecraft.server.level.WorldGenRegion,long,net.minecraft.world.level.biome.BiomeManager,net.minecraft.world.level.StructureFeatureManager,net.minecraft.world.level.chunk.ChunkAccess,net.minecraft.world.level.levelgen.GenerationStep$Carving)(ChunkGenerator.java:427) 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:427) at net.minecraft.world.level.chunk.ChunkGenerator.void spawnOriginalMobs(net.minecraft.server.level.WorldGenRegion)(ChunkGenerator.java:427) at net.minecraft.world.level.chunk.ChunkGenerator.void createStructures(net.minecraft.core.RegistryAccess,net.minecraft.world.level.StructureFeatureManager,net.minecraft.world.level.chunk.ChunkAccess,net.minecraft.world.level.levelgen.structure.templatesystem.StructureManager,long)(ChunkGenerator.java:427) 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:427) at net.minecraft.world.level.chunk.ChunkGenerator.int getBaseHeight(int,int,net.minecraft.world.level.levelgen.Heightmap$Types,net.minecraft.world.level.LevelHeightAccessor)(ChunkGenerator.java:427) at net.minecraft.world.level.chunk.ChunkGenerator.net.minecraft.world.level.NoiseColumn getBaseColumn(int,int,net.minecraft.world.level.LevelHeightAccessor)(ChunkGenerator.java:427) at net.minecraft.world.level.chunk.ChunkStatus.java.util.concurrent.CompletableFuture lambda$static$2(net.minecraft.world.level.chunk.ChunkStatus,java.util.concurrent.Executor,net.minecraft.server.level.ServerLevel,net.minecraft.world.level.chunk.ChunkGenerator,net.minecraft.world.level.levelgen.structure.templatesystem.StructureManager,net.minecraft.server.level.ThreadedLevelLightEngine,java.util.function.Function,java.util.List,net.minecraft.world.level.chunk.ChunkAccess,boolean)(ChunkStatus.java:59) at net.minecraft.world.level.chunk.ChunkStatus.java.util.concurrent.CompletableFuture generate(java.util.concurrent.Executor,net.minecraft.server.level.ServerLevel,net.minecraft.world.level.chunk.ChunkGenerator,net.minecraft.world.level.levelgen.structure.templatesystem.StructureManager,net.minecraft.server.level.ThreadedLevelLightEngine,java.util.function.Function,java.util.List,boolean)(ChunkStatus.java:289) at net.minecraft.server.level.ChunkMap.java.util.concurrent.CompletableFuture lambda$scheduleChunkGeneration$20(net.minecraft.world.level.ChunkPos,net.minecraft.server.level.ChunkHolder,net.minecraft.world.level.chunk.ChunkStatus,java.util.concurrent.Executor,java.util.List)(ChunkMap.java:627) at com.mojang.datafixers.util.Either$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) 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$WorkQueue.topLevelExec(ForkJoinPool.java:1182) at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655) at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622) at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Server thread Stacktrace: at java.base/java.util.Random.nextInt(Random.java:322) at net.minecraft.world.level.levelgen.structure.pieces.StructurePiecesBuilder.void moveBelowSeaLevel(int,int,java.util.Random,int)(StructurePiecesBuilder.java:48) at net.minecraft.world.level.levelgen.feature.MineshaftFeature.void generatePieces(net.minecraft.world.level.levelgen.structure.pieces.StructurePiecesBuilder,net.minecraft.world.level.levelgen.structure.pieces.PieceGenerator$Context)(MineshaftFeature.java:114) at net.minecraft.world.level.levelgen.feature.StructureFeature.net.minecraft.world.level.levelgen.structure.StructureStart generate(net.minecraft.core.RegistryAccess,net.minecraft.world.level.chunk.ChunkGenerator,net.minecraft.world.level.biome.BiomeSource,net.minecraft.world.level.levelgen.structure.templatesystem.StructureManager,long,net.minecraft.world.level.ChunkPos,int,net.minecraft.world.level.levelgen.feature.configurations.StructureFeatureConfiguration,net.minecraft.world.level.levelgen.feature.configurations.FeatureConfiguration,net.minecraft.world.level.LevelHeightAccessor,java.util.function.Predicate)(StructureFeature.java:261) at net.minecraft.world.level.levelgen.feature.ConfiguredStructureFeature.net.minecraft.world.level.levelgen.structure.StructureStart generate(net.minecraft.core.RegistryAccess,net.minecraft.world.level.chunk.ChunkGenerator,net.minecraft.world.level.biome.BiomeSource,net.minecraft.world.level.levelgen.structure.templatesystem.StructureManager,long,net.minecraft.world.level.ChunkPos,int,net.minecraft.world.level.levelgen.feature.configurations.StructureFeatureConfiguration,net.minecraft.world.level.LevelHeightAccessor,java.util.function.Predicate)(ConfiguredStructureFeature.java:36) at net.minecraft.world.level.chunk.ChunkGenerator.com.mojang.serialization.Codec codec()(ChunkGenerator.java:427) at net.minecraft.world.level.chunk.ChunkGenerator.net.minecraft.world.level.chunk.ChunkGenerator withSeed(long)(ChunkGenerator.java:427) 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$Carving)(ChunkGenerator.java:427) at net.minecraft.world.level.chunk.ChunkGenerator.void buildSurface(net.minecraft.server.level.WorldGenRegion,net.minecraft.world.level.StructureFeatureManager,net.minecraft.world.level.chunk.ChunkAccess)(ChunkGenerator.java:427) at net.minecraft.world.level.chunk.ChunkGenerator.void spawnOriginalMobs(net.minecraft.server.level.WorldGenRegion)(ChunkGenerator.java:427) at net.minecraft.world.level.chunk.ChunkGenerator.void createStructures(net.minecraft.core.RegistryAccess,net.minecraft.world.level.StructureFeatureManager,net.minecraft.world.level.chunk.ChunkAccess,net.minecraft.world.level.levelgen.structure.templatesystem.StructureManager,long)(ChunkGenerator.java:427) at net.minecraft.world.level.chunk.ChunkGenerator.java.util.concurrent.CompletableFuture fillFromNoise(java.util.concurrent.Executor,net.minecraft.world.level.levelgen.blending.Blender,net.minecraft.world.level.StructureFeatureManager,net.minecraft.world.level.chunk.ChunkAccess)(ChunkGenerator.java:427) at net.minecraft.world.level.chunk.ChunkGenerator.int getBaseHeight(int,int,net.minecraft.world.level.levelgen.Heightmap$Types,net.minecraft.world.level.LevelHeightAccessor)(ChunkGenerator.java:427) at net.minecraft.world.level.chunk.ChunkGenerator.net.minecraft.world.level.NoiseColumn getBaseColumn(int,int,net.minecraft.world.level.LevelHeightAccessor)(ChunkGenerator.java:427) at net.minecraft.world.level.chunk.ChunkStatus.java.util.concurrent.CompletableFuture lambda$static$2(net.minecraft.world.level.chunk.ChunkStatus,java.util.concurrent.Executor,net.minecraft.server.level.ServerLevel,net.minecraft.world.level.chunk.ChunkGenerator,net.minecraft.world.level.levelgen.structure.templatesystem.StructureManager,net.minecraft.server.level.ThreadedLevelLightEngine,java.util.function.Function,java.util.List,net.minecraft.world.level.chunk.ChunkAccess,boolean)(ChunkStatus.java:59) at net.minecraft.world.level.chunk.ChunkStatus.java.util.concurrent.CompletableFuture generate(java.util.concurrent.Executor,net.minecraft.server.level.ServerLevel,net.minecraft.world.level.chunk.ChunkGenerator,net.minecraft.world.level.levelgen.structure.templatesystem.StructureManager,net.minecraft.server.level.ThreadedLevelLightEngine,java.util.function.Function,java.util.List,boolean)(ChunkStatus.java:289) -- Chunk to be generated -- Details: Location: -1,8 Position hash: 38654705663 Generator: ctf@5954091b Stacktrace: at net.minecraft.server.level.ChunkMap.java.util.concurrent.CompletableFuture lambda$scheduleChunkGeneration$20(net.minecraft.world.level.ChunkPos,net.minecraft.server.level.ChunkHolder,net.minecraft.world.level.chunk.ChunkStatus,java.util.concurrent.Executor,java.util.List)(ChunkMap.java:627) at com.mojang.datafixers.util.Either$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) 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) -- Affected level -- Details: All players: 0 total; [] Chunk stats: 625 Level dimension: minecraft:overworld Level spawn location: World: (8,64,40), Section: (at 8,0,8 in 0,4,2; chunk contains blocks 0,-64,32 to 15,319,47), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,-64,0 to 511,319,511) Level time: 0 game time, 0 day time Level name: New World Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false) Known server brands: vanilla Level was modded: false Level storage version: 0x04ABD - Anvil Stacktrace: at net.minecraft.server.MinecraftServer.void createLevels(net.minecraft.server.level.progress.ChunkProgressListener)(MinecraftServer.java:388) at net.minecraft.server.MinecraftServer.net.minecraft.SystemReport fillServerSystemReport(net.minecraft.SystemReport)(MinecraftServer.java:388) at net.minecraft.server.MinecraftServer.boolean isSingleplayerOwner(com.mojang.authlib.GameProfile)(MinecraftServer.java:388) at net.minecraft.server.MinecraftServer.void loadLevel()(MinecraftServer.java:327) at net.minecraft.client.server.IntegratedServer.boolean initServer()(IntegratedServer.java:72) at net.minecraft.server.MinecraftServer.void runServer()(MinecraftServer.java:657) at net.minecraft.server.MinecraftServer.net.minecraft.server.MinecraftServer spin(java.util.function.Function)(MinecraftServer.java:270) at net.minecraft.server.MinecraftServer.net.minecraft.SystemReport fillServerSystemReport(net.minecraft.SystemReport)(MinecraftServer.java:270) at net.minecraft.server.MinecraftServer.boolean isSingleplayerOwner(com.mojang.authlib.GameProfile)(MinecraftServer.java:270) at net.minecraft.server.MinecraftServer.void lambda$spin$2(java.util.concurrent.atomic.AtomicReference)(MinecraftServer.java:270) at java.base/java.lang.Thread.run(Thread.java:833) -- System Details -- Details: Minecraft Version: 1.18 Pre-release 5 Minecraft Version ID: 1.18-pre5 Operating System: Windows 10 (amd64) version 10.0 Java Version: 17.0.1, Microsoft Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft Memory: 903501288 bytes (861 MiB) / 1577058304 bytes (1504 MiB) up to 4294967296 bytes (4096 MiB) CPUs: 16 Processor Vendor: AuthenticAMD Processor Name: AMD Ryzen 7 5800X 8-Core Processor Identifier: AuthenticAMD Family 25 Model 33 Stepping 0 Microarchitecture: Zen 3 Frequency (GHz): 3.80 Number of physical packages: 1 Number of physical CPUs: 8 Number of logical CPUs: 16 Graphics card #0 name: NVIDIA GeForce RTX 3070 Ti Graphics card #0 vendor: NVIDIA (0x10de) Graphics card #0 VRAM (MB): 4095.00 Graphics card #0 deviceId: 0x2482 Graphics card #0 versionInfo: DriverVersion=30.0.14.9649 Memory slot #0 capacity (MB): 8192.00 Memory slot #0 clockSpeed (GHz): 3.60 Memory slot #0 type: DDR4 Memory slot #1 capacity (MB): 8192.00 Memory slot #1 clockSpeed (GHz): 3.60 Memory slot #1 type: DDR4 Memory slot #2 capacity (MB): 8192.00 Memory slot #2 clockSpeed (GHz): 3.60 Memory slot #2 type: DDR4 Memory slot #3 capacity (MB): 8192.00 Memory slot #3 clockSpeed (GHz): 3.60 Memory slot #3 type: DDR4 Virtual memory max (MB): 37654.37 Virtual memory used (MB): 14212.05 Swap memory total (MB): 4980.00 Swap memory used (MB): 0.00 JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx4G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M Player Count: 0 / 8; [] Data Packs: vanilla, file/custom world gen test dp Type: Integrated Server (map_client.txt) Is Modded: Probably not. Client jar signature and brand is untouched; Server jar signature and brand is untouched