---- Minecraft Crash Report ----
// Surprise! Haha. Well, this is awkward.

Time: 12/2/20 4:51 PM
Description: Exception generating new chunk

java.lang.ArrayIndexOutOfBoundsException: 47
	at civ.b(SourceFile:216)
	at cld.a(SourceFile:615)
	at cig.f(SourceFile:71)
	at cig$$Lambda$1930/442593822.doWork(Unknown Source)
	at cig$d.doWork(SourceFile:263)
	at cig.a(SourceFile:219)
	at aaf.a(SourceFile:562)
	at aaf$$Lambda$4640/415498274.apply(Unknown Source)
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38)
	at aaf.a(SourceFile:556)
	at aaf$$Lambda$4626/7954551.apply(Unknown Source)
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952)
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926)
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442)
	at aah.b(SourceFile:58)
	at aah$$Lambda$4639/1225539348.run(Unknown Source)
	at aou.e(SourceFile:94)
	at aou.a(SourceFile:137)
	at aou.run(SourceFile:105)
	at java.util.concurrent.ForkJoinTask$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$1930/442593822.doWork(Unknown Source)
	at cig$d.doWork(SourceFile:263)
	at cig.a(SourceFile:219)

-- Chunk to be generated --
Details:
	Location: 15,-1
	Position hash: -4294967281
	Generator: cld@6f8d952f
Stacktrace:
	at aaf.a(SourceFile:562)
	at aaf$$Lambda$4640/415498274.apply(Unknown Source)
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38)
	at aaf.a(SourceFile:556)
	at aaf$$Lambda$4626/7954551.apply(Unknown Source)
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952)
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926)
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442)
	at aah.b(SourceFile:58)
	at aah$$Lambda$4639/1225539348.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: (248,64,-8), Section: (at 8,0,8 in 15,4,-1; chunk contains blocks 240,0,-16 to 255,255,-1), 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: 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$4538/1590913388.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: 1375621648 bytes (1311 MB) / 1845493760 bytes (1760 MB) up to 2147483648 bytes (2048 MB)
	CPUs: 8
	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
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.