---- Minecraft Crash Report ----
// I'm sorry, Dave.

Time: 5/17/18 2:21 AM
Description: Exception generating new chunk

java.util.concurrent.ExecutionException: java.lang.IllegalArgumentException: bound must be positive
	at java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357)
	at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1895)
	at si.c(SourceFile:129)
	at sq.a(SourceFile:84)
	at sr.c(SourceFile:143)
	at sj.i_(SourceFile:223)
	at net.minecraft.server.MinecraftServer.w(SourceFile:694)
	at net.minecraft.server.MinecraftServer.v(SourceFile:627)
	at dhp.v(SourceFile:156)
	at net.minecraft.server.MinecraftServer.run(SourceFile:532)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.IllegalArgumentException: bound must be positive
	at java.util.Random.nextInt(Random.java:388)
	at bzs.a(SourceFile:203)
	at bzu.a(SourceFile:186)
	at bzu.a(SourceFile:182)
	at bzj.a(SourceFile:59)
	at byz$a.a(SourceFile:266)
	at bzh.a(SourceFile:60)
	at bvq.a(SourceFile:90)
	at bxw.a(SourceFile:16)
	at bxw.a(SourceFile:13)
	at brt.a(SourceFile:27)
	at bbv.a(SourceFile:515)
	at bpg.a(SourceFile:109)
	at sx.a(SourceFile:12)
	at sw.a(SourceFile:34)
	at bpk.a(SourceFile:87)
	at tc.a(SourceFile:59)
	at tc.a(SourceFile:23)
	at agd$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: 51,32
	Position hash: 137438953523
	Generator: brb@196bf96f
Stacktrace:
	at si.a(SourceFile:179)
	at si.c(SourceFile:132)
	at sq.a(SourceFile:84)
	at sr.c(SourceFile:143)
	at sj.i_(SourceFile:223)
	at net.minecraft.server.MinecraftServer.w(SourceFile:694)
	at net.minecraft.server.MinecraftServer.v(SourceFile:627)
	at dhp.v(SourceFile:156)
	at net.minecraft.server.MinecraftServer.run(SourceFile:532)
	at java.lang.Thread.run(Thread.java:745)

-- Affected level --
Details:
	Level name: HC #12 1/7 Objectives: Corrupted
	All players: 1 total; [sl['RocketPG_'/65428, l='HC #12 1/7 Objectives: Corrupted', x=765.11, y=71.00, z=295.14]]
	Chunk stats: ServerChunkCache: 1448 Drop: 0
	Level seed: 859409490
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (-224,64,192), Chunk: (at 0,4,0 in -14,12; contains blocks -224,0,192 to -209,255,207), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 193632 game time, 193632 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 15777 (now: false), thunder time: 48561 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: true. Cheats: false

-- System Details --
Details:
	Minecraft Version: 18w20b
	Operating System: Mac OS X (x86_64) version 10.10.5
	Java Version: 1.8.0_74, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 484297104 bytes (461 MB) / 1342177280 bytes (1280 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; [sl['RocketPG_'/65428, l='HC #12 1/7 Objectives: Corrupted', x=765.11, y=71.00, z=295.14]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.