---- Minecraft Crash Report ----
// Don't do that.

Time: 16.05.18 17:34
Description: Exception generating new chunk

java.util.concurrent.ExecutionException: java.lang.IllegalArgumentException: bound must be positive
	at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2237)
	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 agd$a$$Lambda$1420/1231903255.apply(Unknown Source)
	at java.util.concurrent.CompletableFuture$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 si.a(SourceFile:179)

-- Chunk to be generated --
Details:
	Location: 17,80
	Position hash: 343597383697
	Generator: brb@6b56bdfb
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: CRASHYWORLD
	All players: 1 total; [sl['obscurus_'/32, l='CRASHYWORLD', x=158.09, y=80.00, z=1125.69]]
	Chunk stats: ServerChunkCache: 1416 Drop: 0
	Level seed: -5517648627067788281
	Level generator: ID 03 - amplified, ver 0. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (192,71,-96), Chunk: (at 0,4,0 in 12,-6; contains blocks 192,0,-96 to 207,255,-81), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
	Level time: 3221 game time, 3221 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 32065 (now: false), thunder time: 125924 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true

-- System Details --
Details:
	Minecraft Version: 18w20b
	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: 672248144 bytes (641 MB) / 2264924160 bytes (2160 MB) up to 3221225472 bytes (3072 MB)
	JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx3G -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; [sl['obscurus_'/32, l='CRASHYWORLD', x=158.09, y=80.00, z=1125.69]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.