---- Minecraft Crash Report ----
// But it works on my machine.

Time: 8/8/14 4:05 PM
Description: Ticking entity

java.lang.IllegalArgumentException: n must be positive
	at java.util.Random.nextInt(Unknown Source)
	at apa.a(SourceFile:162)
	at xk.c(SourceFile:883)
	at agw.d(SourceFile:899)
	at xk.a(SourceFile:634)
	at agw.a(SourceFile:854)
	at qu.a(SourceFile:394)
	at ahc.j(SourceFile:287)
	at aqn.a(SourceFile:1408)
	at qr.a(SourceFile:601)
	at aqn.g(SourceFile:1386)
	at aqn.i(SourceFile:1279)
	at qr.i(SourceFile:479)
	at net.minecraft.server.MinecraftServer.y(SourceFile:606)
	at net.minecraft.server.MinecraftServer.x(SourceFile:530)
	at cxz.x(SourceFile:155)
	at net.minecraft.server.MinecraftServer.run(SourceFile:446)
	at java.lang.Thread.run(Unknown Source)


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

-- Head --
Stacktrace:
	at java.util.Random.nextInt(Unknown Source)
	at apa.a(SourceFile:162)
	at xk.c(SourceFile:883)
	at agw.d(SourceFile:899)
	at xk.a(SourceFile:634)
	at agw.a(SourceFile:854)
	at qu.a(SourceFile:394)
	at ahc.j(SourceFile:287)
	at aqn.a(SourceFile:1408)
	at qr.a(SourceFile:601)
	at aqn.g(SourceFile:1386)

-- Entity being ticked --
Details:
	Entity Type: Arrow (ahc)
	Entity ID: 78324676
	Entity Name: arrow
	Entity's Exact location: -306.11, 27.64, 159.29
	Entity's Block location: -307.00,27.00,159.00 - World: (-307,27,159), Chunk: (at 13,1,15 in -20,9; contains blocks -320,0,144 to -305,255,159), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Entity's Momentum: -0.77, -0.55, 1.16
	Entity's Rider: ~~ERROR~~ NullPointerException: null
	Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
	at aqn.i(SourceFile:1279)
	at qr.i(SourceFile:479)

-- Affected level --
Details:
	Level name: Build
	All players: 1 total; [qu['ElitePro41337_'/0, l='Build', x=-306.66, y=26.00, z=160.25]]
	Chunk stats: ServerChunkCache: 4427 Drop: 0
	Level seed: 7317202967532654147
	Level generator: ID 01 - flat, ver 0. Features enabled: true
	Level generator options: 3;minecraft:bedrock,24*minecraft:dirt,minecraft:grass;1;village
	Level spawn location: 0.00,31.00,0.00 - World: (0,31,0), Chunk: (at 0,1,0 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: 414073 game time, 5303 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 1 (now: false), thunder time: 1 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.y(SourceFile:606)
	at net.minecraft.server.MinecraftServer.x(SourceFile:530)
	at cxz.x(SourceFile:155)
	at net.minecraft.server.MinecraftServer.run(SourceFile:446)
	at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 14w32d
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_65, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 548570968 bytes (523 MB) / 2140667904 bytes (2041 MB) up to 2140667904 bytes (2041 MB)
	JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G -Xms2G
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Profiler Position: N/A (disabled)
	Player Count: 1 / 8; [qu['ElitePro41337_'/0, l='Build', x=-306.66, y=26.00, z=160.25]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.