java.lang.IllegalArgumentException: n must be positive
	at java.util.Random.nextInt(Unknown Source)
	at bsx.b(SourceFile:42)
	at bss.c(SourceFile:239)
	at bsy.a(SourceFile:154)
	at bsp.a(SourceFile:41)

---- Minecraft Crash Report ----
// Ooh. Shiny.

Time: 21/10/13 18:49
Description: Unexpected error

java.lang.IllegalArgumentException: n must be positive
	at java.util.Random.nextInt(Unknown Source)
	at bsx.b(SourceFile:42)
	at bss.c(SourceFile:239)
	at bsy.a(SourceFile:154)
	at bsp.a(SourceFile:41)
	at azb.o(SourceFile:1537)
	at azb.ad(SourceFile:755)
	at azb.e(SourceFile:706)
	at net.minecraft.client.main.Main.main(SourceFile:103)


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 bsx.b(SourceFile:42)
	at bss.c(SourceFile:239)
	at bsy.a(SourceFile:154)
	at bsp.a(SourceFile:41)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bjb['Tetsuzagen'/226, l='MpServer', x=54,50, y=71,62, z=241,50]]
	Chunk stats: MultiplayerChunkCache: 110, 110
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: World: (56,64,244), Chunk: (at 8,4,4 in 3,15; contains blocks 48,0,240 to 63,255,255), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 29 game time, 29 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 87 total; [xf['Villageois'/143, l='MpServer', x=91,50, y=65,00, z=256,50], uy['Cochon'/129, l='MpServer', x=84,81, y=69,00, z=260,19], uy['Cochon'/128, l='MpServer', x=83,22, y=69,00, z=261,78], xf['Villageois'/131, l='MpServer', x=80,50, y=68,00, z=269,50], uo['Chauve-souris'/400, l='MpServer', x=71,78, y=24,29, z=221,94], uy['Cochon'/130, l='MpServer', x=87,78, y=65,00, z=258,99], uo['Chauve-souris'/401, l='MpServer', x=71,38, y=24,00, z=222,28], xf['Villageois'/133, l='MpServer', x=87,50, y=66,00, z=279,50], xf['Villageois'/132, l='MpServer', x=80,50, y=68,00, z=270,50], uy['Cochon'/152, l='MpServer', x=100,50, y=65,00, z=288,50], uy['Cochon'/153, l='MpServer', x=92,50, y=67,00, z=321,50], uy['Cochon'/154, l='MpServer', x=90,78, y=68,00, z=319,22], uy['Cochon'/155, l='MpServer', x=89,19, y=68,00, z=320,81], uy['Cochon'/156, l='MpServer', x=93,50, y=67,00, z=319,50], uo['Chauve-souris'/399, l='MpServer', x=73,22, y=24,35, z=219,06], uo['Chauve-souris'/398, l='MpServer', x=70,25, y=24,40, z=220,44], xf['Villageois'/144, l='MpServer', x=88,50, y=66,00, z=272,50], xf['Villageois'/145, l='MpServer', x=88,50, y=66,00, z=273,50], xf['Villageois'/146, l='MpServer', x=92,50, y=65,00, z=264,50], xf['Villageois'/147, l='MpServer', x=100,50, y=65,00, z=264,50], xf['Villageois'/148, l='MpServer', x=91,50, y=66,00, z=287,50], uy['Cochon'/149, l='MpServer', x=101,50, y=43,00, z=289,50], uy['Cochon'/150, l='MpServer', x=102,22, y=30,00, z=290,22], uy['Cochon'/151, l='MpServer', x=103,81, y=30,00, z=291,81], uy['Cochon'/171, l='MpServer', x=105,50, y=64,00, z=268,63], xf['Villageois'/170, l='MpServer', x=118,50, y=65,00, z=248,50], xf['Villageois'/169, l='MpServer', x=108,50, y=65,00, z=256,50], xf['Villageois'/168, l='MpServer', x=107,50, y=65,00, z=256,50], uy['Cochon'/175, l='MpServer', x=134,50, y=64,00, z=188,50], uy['Cochon'/174, l='MpServer', x=109,50, y=64,00, z=267,50], uy['Cochon'/173, l='MpServer', x=105,50, y=64,00, z=265,63], uy['Cochon'/172, l='MpServer', x=105,50, y=64,00, z=267,09], xf['Villageois'/163, l='MpServer', x=110,50, y=65,00, z=235,50], xf['Villageois'/162, l='MpServer', x=118,50, y=65,00, z=227,50], xf['Villageois'/161, l='MpServer', x=110,50, y=65,00, z=225,50], uy['Cochon'/167, l='MpServer', x=106,50, y=64,00, z=237,50], uy['Cochon'/166, l='MpServer', x=109,19, y=64,00, z=233,50], uy['Cochon'/165, l='MpServer', x=110,78, y=64,00, z=233,50], uy['Cochon'/164, l='MpServer', x=109,50, y=69,00, z=235,50], uy['Cochon'/55, l='MpServer', x=-12,50, y=67,00, z=209,50], uy['Cochon'/54, l='MpServer', x=-13,56, y=68,00, z=212,50], uy['Cochon'/53, l='MpServer', x=-17,50, y=68,00, z=213,50], uy['Cochon'/52, l='MpServer', x=-15,50, y=68,00, z=213,50], uy['Cochon'/178, l='MpServer', x=131,50, y=67,00, z=190,50], uy['Cochon'/59, l='MpServer', x=-8,22, y=71,00, z=266,09], uy['Cochon'/58, l='MpServer', x=-10,19, y=70,00, z=268,50], uy['Cochon'/176, l='MpServer', x=134,50, y=65,00, z=189,22], uy['Cochon'/57, l='MpServer', x=-8,50, y=70,00, z=271,50], uy['Cochon'/177, l='MpServer', x=134,50, y=65,00, z=190,81], uy['Cochon'/56, l='MpServer', x=-11,78, y=70,00, z=268,50], uo['Chauve-souris'/326, l='MpServer', x=8,17, y=40,52, z=231,89], uo['Chauve-souris'/327, l='MpServer', x=9,06, y=40,00, z=232,25], uo['Chauve-souris'/324, l='MpServer', x=9,42, y=40,03, z=230,36], uo['Chauve-souris'/325, l='MpServer', x=8,79, y=39,15, z=227,94], uy['Cochon'/93, l='MpServer', x=50,50, y=67,00, z=195,81], uo['Chauve-souris'/334, l='MpServer', x=73,75, y=42,46, z=273,25], uy['Cochon'/92, l='MpServer', x=50,50, y=67,00, z=194,22], uo['Chauve-souris'/335, l='MpServer', x=77,64, y=40,22, z=288,85], uy['Cochon'/95, l='MpServer', x=53,50, y=69,00, z=197,50], uo['Chauve-souris'/332, l='MpServer', x=71,09, y=42,03, z=274,43], uy['Cochon'/94, l='MpServer', x=52,50, y=67,00, z=197,50], uo['Chauve-souris'/333, l='MpServer', x=73,66, y=42,00, z=275,75], ur['Vache'/102, l='MpServer', x=47,50, y=69,00, z=295,50], ur['Vache'/103, l='MpServer', x=47,50, y=69,00, z=293,50], bjb['Tetsuzagen'/226, l='MpServer', x=54,50, y=71,62, z=241,50], ur['Vache'/100, l='MpServer', x=49,50, y=69,00, z=294,50], ur['Vache'/101, l='MpServer', x=50,50, y=69,00, z=292,50], uz['Mouton'/98, l='MpServer', x=45,50, y=68,00, z=198,50], uz['Mouton'/99, l='MpServer', x=47,50, y=66,00, z=198,50], uz['Mouton'/96, l='MpServer', x=49,50, y=66,00, z=198,50], uz['Mouton'/97, l='MpServer', x=52,50, y=67,00, z=197,50], uy['Cochon'/106, l='MpServer', x=41,81, y=69,00, z=297,22], uy['Cochon'/107, l='MpServer', x=40,63, y=69,00, z=299,25], uy['Cochon'/104, l='MpServer', x=40,50, y=69,00, z=300,64], uy['Cochon'/105, l='MpServer', x=40,09, y=69,00, z=297,86], uy['Cochon'/119, l='MpServer', x=61,22, y=69,00, z=307,50], xf['Villageois'/118, l='MpServer', x=68,50, y=69,00, z=287,50], xf['Villageois'/117, l='MpServer', x=67,50, y=69,00, z=287,50], xf['Villageois'/116, l='MpServer', x=70,50, y=68,00, z=280,50], uy['Cochon'/115, l='MpServer', x=70,50, y=67,00, z=268,19], uy['Cochon'/114, l='MpServer', x=70,50, y=67,00, z=269,78], uy['Cochon'/113, l='MpServer', x=67,19, y=67,00, z=266,19], uy['Cochon'/112, l='MpServer', x=68,78, y=67,00, z=267,78], uy['Cochon'/127, l='MpServer', x=82,50, y=65,00, z=262,50], uy['Cochon'/122, l='MpServer', x=66,50, y=69,00, z=309,50], uy['Cochon'/121, l='MpServer', x=62,81, y=69,00, z=307,50], uy['Cochon'/120, l='MpServer', x=64,50, y=69,00, z=308,50]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at biw.a(SourceFile:284)
	at azb.b(SourceFile:1938)
	at azb.e(SourceFile:720)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 13w43a
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.7.0_21, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 79468128 bytes (75 MB) / 225132544 bytes (214 MB) up to 518979584 bytes (494 MB)
	JVM Flags: 1 total; -Xmx512M
	AABB Pool Size: 7331 (410536 bytes; 0 MB) allocated, 1128 (63168 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	Launched Version: 13w43a
	LWJGL: 2.9.0
	OpenGL: GeForce 6150SE nForce 430/PCI/SSE2 GL version 2.1.2, NVIDIA Corporation
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: Français (France)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 1096 (61376 bytes; 0 MB) allocated, 179 (10024 bytes; 0 MB) used
	Anisotropic Filtering: Off (1)