---- Minecraft Crash Report ----
// Shall we play a game?

Time: 4/15/18 8:53 PM
Description: Exception generating new chunk

java.util.concurrent.ExecutionException: java.lang.ArrayIndexOutOfBoundsException: 1705
	at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2237)
	at sg.c(SourceFile:129)
	at sn.a(SourceFile:84)
	at so.c(SourceFile:143)
	at sh.k_(SourceFile:219)
	at net.minecraft.server.MinecraftServer.w(SourceFile:694)
	at net.minecraft.server.MinecraftServer.v(SourceFile:627)
	at dal.v(SourceFile:155)
	at net.minecraft.server.MinecraftServer.run(SourceFile:532)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 1705
	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$EntryIterator.next(Long2LongLinkedOpenHashMap.java:1288)
	at aum.a(SourceFile:25)
	at aum.get(SourceFile:49)
	at it.unimi.dsi.fastutil.longs.AbstractLong2ObjectFunction.get(AbstractLong2ObjectFunction.java:148)
	at java.util.Map.computeIfAbsent(Map.java:955)
	at sz.a(SourceFile:42)
	at sz.a(SourceFile:23)
	at zx.c(SourceFile:102)
	at sg.d(SourceFile:153)
	at bor.a(SourceFile:231)
	at bor.a(SourceFile:80)
	at bqv.a(SourceFile:16)
	at bqv.a(SourceFile:13)
	at bkw.a(SourceFile:27)
	at avl.a(SourceFile:479)
	at bio.a(SourceFile:91)
	at su.a(SourceFile:12)
	at st.a(SourceFile:33)
	at biq.a(SourceFile:85)
	at sz.a(SourceFile:54)
	at sz.a(SourceFile:23)
	at zx$a.a(SourceFile:143)
	at zx$a$$Lambda$984/1977396566.apply(Unknown Source)
	at java.util.concurrent.CompletableFuture$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 sg.a(SourceFile:178)

-- Chunk to be generated --
Details:
	Location: -46,4
	Position hash: 21474836434
	Generator: bkc@1f747507
Stacktrace:
	at sg.a(SourceFile:178)
	at sg.c(SourceFile:132)
	at sn.a(SourceFile:84)
	at so.c(SourceFile:143)
	at sh.k_(SourceFile:219)
	at net.minecraft.server.MinecraftServer.w(SourceFile:694)
	at net.minecraft.server.MinecraftServer.v(SourceFile:627)
	at dal.v(SourceFile:155)
	at net.minecraft.server.MinecraftServer.run(SourceFile:532)
	at java.lang.Thread.run(Thread.java:745)

-- Affected level --
Details:
	Level name: 1.13 snapshots survival&stuff
	All players: 1 total; [sj['Slimerblue22'/178, l='1.13 snapshots survival&stuff', x=-611.63, y=60.00, z=74.87]]
	Chunk stats: ServerChunkCache: 366 Drop: 0
	Level seed: 5191151222020135878
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	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
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: ~~ERROR~~ NullPointerException: null

-- System Details --
Details:
	Minecraft Version: 18w15a
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.8.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 147084736 bytes (140 MB) / 452984832 bytes (432 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; [sj['Slimerblue22'/178, l='1.13 snapshots survival&stuff', x=-611.63, y=60.00, z=74.87]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.