---- Minecraft Crash Report ----
// This doesn't make any sense!

Time: 21/4/2020 8:38 μμ
Description: Exception generating new chunk

java.lang.NullPointerException: Exception generating new chunk
	at chm.b(SourceFile:21)
	at chm$$Lambda$1139/362023079.test(Unknown Source)
	at cle.b(SourceFile:226)
	at cle.a(SourceFile:33)
	at cle$a.a(SourceFile:158)
	at cfq.a(SourceFile:206)
	at cfu.d(SourceFile:51)
	at cfu$$Lambda$1220/878231139.doWork(Unknown Source)
	at cfu.a(SourceFile:214)
	at xy.a(SourceFile:567)
	at xy$$Lambda$3171/1622709132.apply(Unknown Source)
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38)
	at xy.a(SourceFile:561)
	at xy$$Lambda$3156/281376725.apply(Unknown Source)
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952)
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926)
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442)
	at ya.b(SourceFile:58)
	at ya$$Lambda$3169/920632514.run(Unknown Source)
	at alk.e(SourceFile:83)
	at alk.a(SourceFile:123)
	at alk.run(SourceFile:91)
	at java.util.concurrent.ForkJoinTask$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 chm.b(SourceFile:21)
	at chm$$Lambda$1139/362023079.test(Unknown Source)
	at cle.b(SourceFile:226)
	at cle.a(SourceFile:33)
	at cle$a.a(SourceFile:158)
	at cfq.a(SourceFile:206)
	at cfu.d(SourceFile:51)
	at cfu$$Lambda$1220/878231139.doWork(Unknown Source)
	at cfu.a(SourceFile:214)

-- Chunk to be generated --
Details:
	Location: 10,6
	Position hash: 25769803786
	Generator: chk@26b22beb
Stacktrace:
	at xy.a(SourceFile:567)
	at xy$$Lambda$3171/1622709132.apply(Unknown Source)
	at com.mojang.datafixers.util.Either$Left.map(Either.java:38)
	at xy.a(SourceFile:561)
	at xy$$Lambda$3156/281376725.apply(Unknown Source)
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952)
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926)
	at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442)
	at ya.b(SourceFile:58)
	at ya$$Lambda$3169/920632514.run(Unknown Source)
	at alk.e(SourceFile:83)
	at alk.a(SourceFile:123)
	at alk.run(SourceFile:91)

-- Affected level --
Details:
	All players: 0 total; []
	Chunk stats: ServerChunkCache: 529
	Level dimension: minecraft:overworld
	Level name: New World
	Level seed: -6683110750259696575
	Level generator: ID 01 - flat, ver 0. Features enabled: true
	Level generator options: NBT[{biome:"minecraft:nether_wastes",layers:[{block:"minecraft:bedrock",height:1},{block:"minecraft:dirt",height:42},{block:"minecraft:grass_block",height:1}],structures:{ruined_portal:{}}}]
	Level spawn location: World: (0,0,0), Chunk: (at 0,0,0 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 0 game time, 0 day time
	Known server brands: vanilla
	Level was modded: false
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.a(SourceFile:412)
	at emt.a(SourceFile:83)
	at emt.d(SourceFile:104)
	at net.minecraft.server.MinecraftServer.run(SourceFile:625)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 20w16a
	Minecraft Version ID: 20w16a
	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: 707236592 bytes (674 MB) / 1845493760 bytes (1760 MB) up to 2147483648 bytes (2048 MB)
	CPUs: 4
	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.