---- Minecraft Crash Report ----
// My bad.

Time: 14.02.18 21:08
Description: Exception generating new chunk

java.util.concurrent.ExecutionException: java.lang.ArrayIndexOutOfBoundsException: 940
	at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2237)
	at rz.c(SourceFile:130)
	at sg.a(SourceFile:84)
	at sh.c(SourceFile:144)
	at sa.k_(SourceFile:222)
	at net.minecraft.server.MinecraftServer.w(SourceFile:695)
	at net.minecraft.server.MinecraftServer.v(SourceFile:628)
	at cwr.v(SourceFile:155)
	at net.minecraft.server.MinecraftServer.run(SourceFile:533)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 940
	at it.unimi.dsi.fastutil.longs.Long2LongLinkedOpenHashMap$MapIterator.nextEntry(Long2LongLinkedOpenHashMap.java:1207)
	at it.unimi.dsi.fastutil.longs.Long2LongLinkedOpenHashMap$EntryIterator.next(Long2LongLinkedOpenHashMap.java:1299)
	at it.unimi.dsi.fastutil.longs.Long2LongLinkedOpenHashMap$EntryIterator.next(Long2LongLinkedOpenHashMap.java:1288)
	at ato.a(SourceFile:25)
	at ato.get(SourceFile:49)
	at it.unimi.dsi.fastutil.longs.AbstractLong2ObjectFunction.get(AbstractLong2ObjectFunction.java:148)
	at java.util.Map.computeIfAbsent(Map.java:955)
	at sr.a(SourceFile:42)
	at sr.a(SourceFile:23)
	at zo.c(SourceFile:102)
	at rz.d(SourceFile:154)
	at bms.a(SourceFile:228)
	at bms.a(SourceFile:77)
	at bos.a(SourceFile:16)
	at bos.a(SourceFile:13)
	at bjj.a(SourceFile:27)
	at aum.a(SourceFile:418)
	at biu.b(SourceFile:123)
	at sn.a(SourceFile:13)
	at sm.a(SourceFile:34)
	at bhf.a(SourceFile:89)
	at sr.a(SourceFile:54)
	at sr.a(SourceFile:23)
	at zo$a.a(SourceFile:143)
	at zo$a$$Lambda$961/1604567555.apply(Unknown Source)
	at java.util.concurrent.CompletableFuture$AsyncApply.exec(CompletableFuture.java:501)
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:902)
	at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1689)
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1644)
	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 rz.a(SourceFile:180)

-- Chunk to be generated --
Details:
	Location: -23,49
	Position hash: 214748364777
	Generator: biu@a98079b
Stacktrace:
	at rz.a(SourceFile:180)
	at rz.c(SourceFile:133)
	at sg.a(SourceFile:84)
	at sh.c(SourceFile:144)
	at sa.k_(SourceFile:222)
	at net.minecraft.server.MinecraftServer.w(SourceFile:695)
	at net.minecraft.server.MinecraftServer.v(SourceFile:628)
	at cwr.v(SourceFile:155)
	at net.minecraft.server.MinecraftServer.run(SourceFile:533)
	at java.lang.Thread.run(Thread.java:745)

-- Affected level --
Details:
	Level name: New World
	All players: 1 total; [sc['davidkan2003'/26, l='New World', x=-33,77, y=65,00, z=806,57]]
	Chunk stats: ServerChunkCache: 2266 Drop: 0
	Level seed: 4869225553967844033
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: 
	Level spawn location: World: (-20,64,52), Chunk: (at 12,4,4 in -2,3; contains blocks -32,0,48 to -17,255,63), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 10112 game time, 10112 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 14057 (now: false), thunder time: 42952 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true

-- System Details --
Details:
	Minecraft Version: 18w07a
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 395606184 bytes (377 MB) / 822083584 bytes (784 MB) up to 1073741824 bytes (1024 MB)
	JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
	Profiler Position: N/A (disabled)
	Player Count: 1 / 8; [sc['davidkan2003'/26, l='New World', x=-33,77, y=65,00, z=806,57]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.