---- Minecraft Crash Report ----
// Don't be sad, have a hug! <3

Time: 12/2/2021 3:35 μμ
Description: Exception generating new chunk

java.lang.ArrayIndexOutOfBoundsException: -1
	at cjm.b(SourceFile:62)
	at cmq.a(SourceFile:363)
	at cjq.d(SourceFile:74)
	at cjq$$Lambda$1938/2128263493.doWork(Unknown Source)
	at cjq.a(SourceFile:231)
	at aai.a(SourceFile:563)
	at aai$$Lambda$4699/1909105080.apply(Unknown Source)
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38)
	at aai.a(SourceFile:557)
	at aai$$Lambda$4685/1447867729.apply(Unknown Source)
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952)
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926)
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442)
	at aak.b(SourceFile:58)
	at aak$$Lambda$4697/882589677.run(Unknown Source)
	at apb.e(SourceFile:84)
	at apb.a(SourceFile:124)
	at apb.run(SourceFile:92)
	at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1402)
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689)
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157)


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

-- Head --
Thread: Server thread
Stacktrace:
	at cjm.b(SourceFile:62)
	at cmq.a(SourceFile:363)
	at cjq.d(SourceFile:74)
	at cjq$$Lambda$1938/2128263493.doWork(Unknown Source)
	at cjq.a(SourceFile:231)

-- Chunk to be generated --
Details:
	Location: 1,-8
	Position hash: -34359738367
	Generator: cmq@79bbc339
Stacktrace:
	at aai.a(SourceFile:563)
	at aai$$Lambda$4699/1909105080.apply(Unknown Source)
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38)
	at aai.a(SourceFile:557)
	at aai$$Lambda$4685/1447867729.apply(Unknown Source)
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952)
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926)
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442)
	at aak.b(SourceFile:58)
	at aak$$Lambda$4697/882589677.run(Unknown Source)
	at apb.e(SourceFile:84)

-- Affected level --
Details:
	All players: 0 total; []
	Chunk stats: 529
	Level dimension: minecraft:overworld
	Level spawn location: World: (24,64,-120), Section: (at 8,0,8 in 1,4,-8; chunk contains blocks 16,0,-128 to 31,255,-113), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
	Level time: 0 game time, 0 day time
	Level name: Old 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.a(SourceFile:387)
	at net.minecraft.server.MinecraftServer.l_(SourceFile:336)
	at evc.d(SourceFile:69)
	at net.minecraft.server.MinecraftServer.w(SourceFile:647)
	at net.minecraft.server.MinecraftServer.a(SourceFile:259)
	at net.minecraft.server.MinecraftServer$$Lambda$4593/236623465.run(Unknown Source)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 21w06a
	Minecraft Version ID: 21w06a
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_51, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 5812554432 bytes (5543 MB) / 6375342080 bytes (6080 MB) up to 6442450944 bytes (6144 MB)
	CPUs: 4
	JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx6G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
	Player Count: 0 / 8; []
	Data Packs: vanilla, file/Old Default.zip
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.