---- Minecraft Crash Report ----
// My bad.

Time: 7/16/18 1:39 PM
Description: Exception ticking world

java.lang.IllegalArgumentException: bound must be positive
	at java.util.Random.nextInt(Unknown Source)
	at axz.a(SourceFile:196)
	at axz.a(SourceFile:98)
	at tc.i_(SourceFile:196)
	at net.minecraft.server.MinecraftServer.w(SourceFile:690)
	at sn.w(SourceFile:357)
	at net.minecraft.server.MinecraftServer.v(SourceFile:623)
	at net.minecraft.server.MinecraftServer.run(SourceFile:526)
	at java.lang.Thread.run(Unknown Source)


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(Unknown Source)
	at axz.a(SourceFile:196)
	at axz.a(SourceFile:98)
	at tc.i_(SourceFile:196)

-- Affected level --
Details:
	Level name: Mansion tour world
	All players: 1 total; [te['RayManMiner'/207, l='Mansion tour world', x=-817.49, y=17.37, z=-890.95]]
	Chunk stats: ServerChunkCache: 954 Drop: 0
	Level seed: 782874826784
	Level generator: ID 01 - flat, ver 0. Features enabled: true
	Level generator options: {biome:"minecraft:plains",layers:[{block:"minecraft:bedrock",height:1},{block:"minecraft:dirt",height:2},{block:"minecraft:grass_block",height:1}],structures:{village:{}}}
	Level spawn location: World: (-677,15,-652), Chunk: (at 11,0,4 in -43,-41; contains blocks -688,0,-656 to -673,255,-641), Region: (-2,-2; contains chunks -64,-64 to -33,-33, blocks -1024,0,-1024 to -513,255,-513)
	Level time: 56608383 game time, 56193897 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 116141 (now: false), thunder time: 6118 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.w(SourceFile:690)
	at sn.w(SourceFile:357)
	at net.minecraft.server.MinecraftServer.v(SourceFile:623)
	at net.minecraft.server.MinecraftServer.run(SourceFile:526)
	at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 1.13-pre9
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_171, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 682730120 bytes (651 MB) / 1027080192 bytes (979 MB) up to 1027080192 bytes (979 MB)
	JVM Flags: 2 total; -Xmx1024M -Xms1024M
	Profiler Position: N/A (disabled)
	Player Count: 1 / 20; [te['RayManMiner'/207, l='Mansion tour world', x=-817.49, y=17.37, z=-890.95]]
	Data Packs: vanilla
	Is Modded: Unknown (can't tell)
	Type: Dedicated Server (map_server.txt)