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

Time: 12.02.18 02:00
Description: Exception generating new chunk

java.util.concurrent.ExecutionException: java.lang.ArrayIndexOutOfBoundsException: 610
	at java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357)
	at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1895)
	at rz.c(SourceFile:130)
	at sg.a(SourceFile:84)
	at sh.c(SourceFile:144)
	at sa.k_(SourceFile:221)
	at net.minecraft.server.MinecraftServer.w(SourceFile:695)
	at net.minecraft.server.MinecraftServer.v(SourceFile:628)
	at cvl.v(SourceFile:155)
	at net.minecraft.server.MinecraftServer.run(SourceFile:533)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 610
	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$EntryIterator.next(Long2LongLinkedOpenHashMap.java:1288)
	at atf.a(SourceFile:25)
	at atf.get(SourceFile:49)
	at it.unimi.dsi.fastutil.longs.AbstractLong2ObjectFunction.get(AbstractLong2ObjectFunction.java:148)
	at java.util.Map.computeIfAbsent(Map.java:955)
	at sr.a(SourceFile:42)
	at sr.a(SourceFile:23)
	at zo.c(SourceFile:102)
	at rz.d(SourceFile:154)
	at bly.a(SourceFile:228)
	at bly.a(SourceFile:82)
	at bny.a(SourceFile:16)
	at bny.a(SourceFile:13)
	at bit.a(SourceFile:27)
	at aud.a(SourceFile:416)
	at bif.b(SourceFile:122)
	at sn.a(SourceFile:13)
	at sm.a(SourceFile:34)
	at bgq.a(SourceFile:89)
	at sr.a(SourceFile:54)
	at sr.a(SourceFile:23)
	at zo$a.a(SourceFile:143)
	at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:602)
	at java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:577)
	at java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:443)
	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:1692)
	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 java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357)

-- Chunk to be generated --
Details:
	Location: 3,-19
	Position hash: -81604378621
	Generator: bif@5073236f
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:221)
	at net.minecraft.server.MinecraftServer.w(SourceFile:695)
	at net.minecraft.server.MinecraftServer.v(SourceFile:628)
	at cvl.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['redstonehelper'/245, l='New World', x=238,60, y=81,12, z=-113,83]]
	Chunk stats: ServerChunkCache: 526 Drop: 0
	Level seed: 99767
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: 
	Level spawn location: World: (216,64,-92), Chunk: (at 8,4,4 in 13,-6; contains blocks 208,0,-96 to 223,255,-81), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
	Level time: 606 game time, 606 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 140127 (now: false), thunder time: 60219 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true

-- System Details --
Details:
	Minecraft Version: 18w06a
	Operating System: Mac OS X (x86_64) version 10.12.6
	Java Version: 1.8.0_74, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 487379968 bytes (464 MB) / 1207959552 bytes (1152 MB) up to 2147483648 bytes (2048 MB)
	JVM Flags: 7 total; -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
	Profiler Position: N/A (disabled)
	Player Count: 1 / 8; [sc['redstonehelper'/245, l='New World', x=238,60, y=81,12, z=-113,83]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.