---- Minecraft Crash Report ----
// Would you like a cupcake?

Time: 3/27/18 5:07 PM
Description: Exception generating new chunk

java.util.concurrent.ExecutionException: java.lang.ArrayIndexOutOfBoundsException: 759
	at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2237)
	at sd.c(SourceFile:129)
	at sk.a(SourceFile:84)
	at sl.c(SourceFile:143)
	at se.k_(SourceFile:219)
	at net.minecraft.server.MinecraftServer.w(SourceFile:694)
	at net.minecraft.server.MinecraftServer.v(SourceFile:627)
	at czd.v(SourceFile:155)
	at net.minecraft.server.MinecraftServer.run(SourceFile:532)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 759
	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$EntryIterator.next(Long2LongLinkedOpenHashMap.java:1288)
	at atz.a(SourceFile:25)
	at atz.get(SourceFile:49)
	at it.unimi.dsi.fastutil.longs.AbstractLong2ObjectFunction.get(AbstractLong2ObjectFunction.java:148)
	at java.util.Map.computeIfAbsent(Map.java:955)
	at sw.a(SourceFile:42)
	at sw.a(SourceFile:23)
	at zt.c(SourceFile:102)
	at sd.d(SourceFile:153)
	at bnx.a(SourceFile:226)
	at bnx.a(SourceFile:79)
	at bpz.a(SourceFile:16)
	at bpz.a(SourceFile:13)
	at bkf.a(SourceFile:27)
	at auy.a(SourceFile:471)
	at bjm.a(SourceFile:298)
	at sr.a(SourceFile:12)
	at sq.a(SourceFile:33)
	at bia.a(SourceFile:85)
	at sw.a(SourceFile:54)
	at sw.a(SourceFile:23)
	at zt$a.a(SourceFile:143)
	at zt$a$$Lambda$972/1058540509.apply(Unknown Source)
	at java.util.concurrent.CompletableFuture$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 sd.a(SourceFile:178)

-- Chunk to be generated --
Details:
	Location: -16,-30
	Position hash: -124554051600
	Generator: bjm@219fd6c3
Stacktrace:
	at sd.a(SourceFile:178)
	at sd.c(SourceFile:132)
	at sk.a(SourceFile:84)
	at sl.c(SourceFile:143)
	at se.k_(SourceFile:219)
	at net.minecraft.server.MinecraftServer.w(SourceFile:694)
	at net.minecraft.server.MinecraftServer.v(SourceFile:627)
	at czd.v(SourceFile:155)
	at net.minecraft.server.MinecraftServer.run(SourceFile:532)
	at java.lang.Thread.run(Thread.java:745)

-- Affected level --
Details:
	Level name: SEA WORLD
	All players: 1 total; [sg['Kam4ran'/119, l='SEA WORLD', x=14.20, y=90.75, z=-210.21]]
	Chunk stats: ServerChunkCache: 1171 Drop: 0
	Level seed: -2508091567933233454
	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: 18w11a
	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: 342930928 bytes (327 MB) / 771751936 bytes (736 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; [sg['Kam4ran'/119, l='SEA WORLD', x=14.20, y=90.75, z=-210.21]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.