---- Minecraft Crash Report ----
// Quite honestly, I wouldn't worry myself about that.

Time: 16.07.18 19:17
Description: Exception ticking world

java.lang.IllegalArgumentException: bound must be positive
	at java.util.Random.nextInt(Random.java:388)
	at axz.a(SourceFile:196)
	at axz.a(SourceFile:98)
	at tc.i_(SourceFile:196)
	at net.minecraft.server.MinecraftServer.w(SourceFile:690)
	at net.minecraft.server.MinecraftServer.v(SourceFile:623)
	at dft.v(SourceFile:157)
	at net.minecraft.server.MinecraftServer.run(SourceFile:526)
	at java.lang.Thread.run(Thread.java:745)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Server thread
Stacktrace:
	at java.util.Random.nextInt(Random.java:388)
	at axz.a(SourceFile:196)
	at axz.a(SourceFile:98)
	at tc.i_(SourceFile:196)

-- Affected level --
Details:
	Level name: 1.13
	All players: 1 total; [te['TheBlazeBuster'/814, l='1.13', x=-78.94, y=69.00, z=235.02]]
	Chunk stats: ServerChunkCache: 325 Drop: 53
	Level seed: 2179059966619707088
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (-120,64,256), Chunk: (at 8,4,0 in -8,16; contains blocks -128,0,256 to -113,255,271), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 4798476 game time, 6554053 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 136558 (now: false), thunder time: 111574 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: true. Cheats: false
Stacktrace:
	at net.minecraft.server.MinecraftServer.w(SourceFile:690)
	at net.minecraft.server.MinecraftServer.v(SourceFile:623)
	at dft.v(SourceFile:157)
	at net.minecraft.server.MinecraftServer.run(SourceFile:526)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 1.13-pre9
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.8.0_51, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 250092320 bytes (238 MB) / 654311424 bytes (624 MB) up to 3221225472 bytes (3072 MB)
	JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -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; [te['TheBlazeBuster'/814, l='1.13', x=-78.94, y=69.00, z=235.02]]
	Data Packs: file/Blaze's Datapack (incompatible), vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.