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

Time: 03.12.20 09:07
Description: Exception generating new chunk

java.lang.ArrayIndexOutOfBoundsException: 16
	at civ.b(SourceFile:216)
	at cld.a(SourceFile:615)
	at cig.f(SourceFile:71)
	at cig$$Lambda$1917/1687037426.doWork(Unknown Source)
	at cig$d.doWork(SourceFile:263)
	at cig.a(SourceFile:219)
	at aaf.a(SourceFile:562)
	at aaf$$Lambda$4689/1294500830.apply(Unknown Source)
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38)
	at aaf.a(SourceFile:556)
	at aaf$$Lambda$4674/1824151702.apply(Unknown Source)
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952)
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926)
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442)
	at aah.b(SourceFile:58)
	at aah$$Lambda$4687/952883018.run(Unknown Source)
	at aou.e(SourceFile:94)
	at aou.a(SourceFile:137)
	at aou.run(SourceFile:105)
	at java.util.concurrent.ForkJoinTask$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 civ.b(SourceFile:216)
	at cld.a(SourceFile:615)
	at cig.f(SourceFile:71)
	at cig$$Lambda$1917/1687037426.doWork(Unknown Source)
	at cig$d.doWork(SourceFile:263)
	at cig.a(SourceFile:219)

-- Chunk to be generated --
Details:
	Location: -12,15
	Position hash: 68719476724
	Generator: cld@497ba614
Stacktrace:
	at aaf.a(SourceFile:562)
	at aaf$$Lambda$4689/1294500830.apply(Unknown Source)
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38)
	at aaf.a(SourceFile:556)
	at aaf$$Lambda$4674/1824151702.apply(Unknown Source)
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952)
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926)
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442)
	at aah.b(SourceFile:58)
	at aah$$Lambda$4687/952883018.run(Unknown Source)
	at aou.e(SourceFile:94)

-- Affected level --
Details:
	All players: 0 total; []
	Chunk stats: 529
	Level dimension: minecraft:overworld
	Level spawn location: World: (-184,64,248), Section: (at 8,0,8 in -12,4,15; chunk contains blocks -192,-16,240 to -177,239,255), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,-16,0 to -1,239,511)
	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.a(SourceFile:385)
	at net.minecraft.server.MinecraftServer.l_(SourceFile:334)
	at esz.d(SourceFile:69)
	at net.minecraft.server.MinecraftServer.w(SourceFile:644)
	at net.minecraft.server.MinecraftServer.a(SourceFile:257)
	at net.minecraft.server.MinecraftServer$$Lambda$4586/1551630190.run(Unknown Source)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 20w49a
	Minecraft Version ID: 20w49a
	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: 1279303328 bytes (1220 MB) / 2147483648 bytes (2048 MB) up to 2147483648 bytes (2048 MB)
	CPUs: 6
	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: 0 / 8; []
	Data Packs: vanilla, file/world_limit.zip
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.