---- Minecraft Crash Report ----
// There are four lights!

Time: 5/22/20 4:09 PM
Description: Exception generating new chunk

java.lang.NegativeArraySizeException
	at cho.b(SourceFile:562)
	at cgc.f(SourceFile:68)
	at cgc$$Lambda$1673/1850259949.doWork(Unknown Source)
	at cgc$d.doWork(SourceFile:258)
	at cgc.a(SourceFile:214)
	at yi.a(SourceFile:569)
	at yi$$Lambda$3901/1919088755.apply(Unknown Source)
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38)
	at yi.a(SourceFile:563)
	at yi$$Lambda$3886/1397138413.apply(Unknown Source)
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952)
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926)
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442)
	at yk.b(SourceFile:58)
	at yk$$Lambda$3899/2087008281.run(Unknown Source)
	at amc.e(SourceFile:94)
	at amc.a(SourceFile:137)
	at amc.run(SourceFile:105)
	at java.util.concurrent.ForkJoinTask$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 cho.b(SourceFile:562)
	at cgc.f(SourceFile:68)
	at cgc$$Lambda$1673/1850259949.doWork(Unknown Source)
	at cgc$d.doWork(SourceFile:258)
	at cgc.a(SourceFile:214)

-- Chunk to be generated --
Details:
	Location: 2,-7
	Position hash: -30064771070
	Generator: cho@66a63674
Stacktrace:
	at yi.a(SourceFile:569)
	at yi$$Lambda$3901/1919088755.apply(Unknown Source)
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38)
	at yi.a(SourceFile:563)
	at yi$$Lambda$3886/1397138413.apply(Unknown Source)
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952)
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926)
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442)
	at yk.b(SourceFile:58)
	at yk$$Lambda$3899/2087008281.run(Unknown Source)
	at amc.e(SourceFile:94)
	at amc.a(SourceFile:137)
	at amc.run(SourceFile:105)

-- Affected level --
Details:
	All players: 0 total; []
	Chunk stats: ServerChunkCache: 529
	Level dimension: minecraft:overworld
	Level spawn location: World: (40,64,-104), Chunk: (at 8,4,8 in 2,-7; contains blocks 32,0,-112 to 47,255,-97), 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:386)
	at net.minecraft.server.MinecraftServer.i_(SourceFile:334)
	at enr.d(SourceFile:65)
	at net.minecraft.server.MinecraftServer.run(SourceFile:666)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 20w21a
	Minecraft Version ID: 20w21a
	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: 3504630008 bytes (3342 MB) / 3992977408 bytes (3808 MB) up to 4294967296 bytes (4096 MB)
	CPUs: 8
	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
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.