java.lang.IllegalArgumentException: n must be positive
	at java.util.Random.nextInt(Unknown Source)
	at bss.b(SourceFile:42)
	at bsn.c(SourceFile:236)
	at bst.a(SourceFile:154)
	at bsk.a(SourceFile:41)

---- Minecraft Crash Report ----
// Why did you do that?

Time: 18/10/13 13:46
Description: Unexpected error

java.lang.IllegalArgumentException: n must be positive
	at java.util.Random.nextInt(Unknown Source)
	at bss.b(SourceFile:42)
	at bsn.c(SourceFile:236)
	at bst.a(SourceFile:154)
	at bsk.a(SourceFile:41)
	at ayw.o(SourceFile:1537)
	at ayw.ad(SourceFile:755)
	at ayw.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 bss.b(SourceFile:42)
	at bsn.c(SourceFile:236)
	at bst.a(SourceFile:154)
	at bsk.a(SourceFile:41)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [biw['afenn'/195, l='MpServer', x=350,81, y=75,61, z=1607,34]]
	Chunk stats: MultiplayerChunkCache: 225, 225
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: World: (-156,64,248), Chunk: (at 4,4,8 in -10,15; contains blocks -160,0,240 to -145,255,255), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 130319 game time, 95287 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: 127 total; [wi['Creeper'/283, l='MpServer', x=298,50, y=34,00, z=1552,50], uy['Ovelha'/282, l='MpServer', x=297,84, y=67,00, z=1546,84], uy['Ovelha'/281, l='MpServer', x=294,78, y=69,00, z=1540,69], un['Morcego'/280, l='MpServer', x=296,81, y=57,24, z=1541,35], un['Morcego'/284, l='MpServer', x=306,56, y=56,76, z=1626,51], uy['Ovelha'/266, l='MpServer', x=273,13, y=66,00, z=1573,13], wi['Creeper'/267, l='MpServer', x=283,50, y=24,00, z=1621,50], uy['Ovelha'/265, l='MpServer', x=283,31, y=67,00, z=1535,86], uy['Ovelha'/268, l='MpServer', x=278,50, y=67,00, z=1679,81], uy['Ovelha'/305, l='MpServer', x=314,84, y=66,00, z=1589,84], uy['Ovelha'/304, l='MpServer', x=313,81, y=66,00, z=1598,19], un['Morcego'/307, l='MpServer', x=317,97, y=53,30, z=1638,58], un['Morcego'/306, l='MpServer', x=314,88, y=21,01, z=1641,31], up['Galinha'/309, l='MpServer', x=319,28, y=64,00, z=1645,81], up['Galinha'/308, l='MpServer', x=314,59, y=64,00, z=1647,44], wu['Esqueleto'/311, l='MpServer', x=309,50, y=65,00, z=1633,50], up['Galinha'/310, l='MpServer', x=318,63, y=64,00, z=1644,56], up['Galinha'/313, l='MpServer', x=308,59, y=64,00, z=1650,44], uy['Ovelha'/312, l='MpServer', x=305,75, y=64,00, z=1657,13], uy['Ovelha'/315, l='MpServer', x=309,50, y=64,00, z=1667,81], uy['Ovelha'/314, l='MpServer', x=307,50, y=64,00, z=1668,50], uy['Ovelha'/316, l='MpServer', x=305,50, y=68,00, z=1667,50], uy['Ovelha'/296, l='MpServer', x=307,16, y=65,00, z=1530,47], wi['Creeper'/541, l='MpServer', x=366,50, y=21,00, z=1550,50], ux['Porco'/297, l='MpServer', x=308,47, y=65,00, z=1535,53], uy['Ovelha'/298, l='MpServer', x=307,82, y=64,00, z=1555,01], uy['Ovelha'/299, l='MpServer', x=306,52, y=64,00, z=1556,26], ux['Porco'/300, l='MpServer', x=322,02, y=65,00, z=1565,84], uy['Ovelha'/301, l='MpServer', x=311,13, y=64,00, z=1570,88], uy['Ovelha'/302, l='MpServer', x=307,06, y=64,00, z=1569,16], vv['entity.MinecartChest.name'/303, l='MpServer', x=306,50, y=24,50, z=1586,50], un['Morcego'/343, l='MpServer', x=324,54, y=26,00, z=1687,13], ux['Porco'/342, l='MpServer', x=324,22, y=63,00, z=1678,13], wz['Zumbi'/341, l='MpServer', x=320,93, y=64,00, z=1619,77], wi['Creeper'/340, l='MpServer', x=331,50, y=66,00, z=1589,50], wi['Creeper'/339, l='MpServer', x=323,94, y=66,00, z=1595,41], ux['Porco'/338, l='MpServer', x=335,06, y=66,00, z=1568,06], wi['Creeper'/337, l='MpServer', x=336,00, y=65,00, z=1572,38], ww['Aranha'/336, l='MpServer', x=323,59, y=65,00, z=1572,84], ux['Porco'/347, l='MpServer', x=328,84, y=63,00, z=1687,50], ux['Porco'/346, l='MpServer', x=329,19, y=63,00, z=1681,06], ux['Porco'/327, l='MpServer', x=324,06, y=65,00, z=1545,91], wz['Zumbi'/325, l='MpServer', x=322,50, y=54,00, z=1530,50], wz['Zumbi'/334, l='MpServer', x=328,50, y=65,00, z=1556,50], wi['Creeper'/335, l='MpServer', x=322,34, y=65,00, z=1578,13], ww['Aranha'/332, l='MpServer', x=323,50, y=65,00, z=1560,50], wz['Zumbi'/333, l='MpServer', x=324,50, y=65,00, z=1557,50], ux['Porco'/330, l='MpServer', x=331,86, y=66,00, z=1548,17], uy['Ovelha'/331, l='MpServer', x=319,78, y=64,00, z=1554,26], ux['Porco'/328, l='MpServer', x=330,65, y=66,00, z=1547,08], ux['Porco'/329, l='MpServer', x=336,76, y=66,00, z=1551,64], ww['Aranha'/373, l='MpServer', x=342,84, y=66,00, z=1586,06], wu['Esqueleto'/372, l='MpServer', x=342,69, y=67,00, z=1598,91], uy['Ovelha'/375, l='MpServer', x=345,81, y=63,00, z=1659,16], uy['Ovelha'/374, l='MpServer', x=345,66, y=64,00, z=1647,22], un['Morcego'/369, l='MpServer', x=342,31, y=44,28, z=1578,59], un['Morcego'/368, l='MpServer', x=343,75, y=43,10, z=1570,47], un['Morcego'/371, l='MpServer', x=345,29, y=49,82, z=1595,29], wi['Creeper'/583, l='MpServer', x=430,50, y=47,00, z=1606,50], wz['Zumbi'/370, l='MpServer', x=351,50, y=42,00, z=1577,50], uy['Ovelha'/381, l='MpServer', x=338,59, y=63,00, z=1673,41], wy['Bruxa'/585, l='MpServer', x=390,50, y=41,00, z=1604,50], wz['Zumbi'/380, l='MpServer', x=336,53, y=45,00, z=1672,03], uy['Ovelha'/377, l='MpServer', x=337,88, y=64,00, z=1662,91], uy['Ovelha'/376, l='MpServer', x=351,78, y=63,00, z=1657,69], wz['Zumbi'/379, l='MpServer', x=351,50, y=42,00, z=1674,50], uy['Ovelha'/378, l='MpServer', x=343,81, y=64,00, z=1655,84], uy['Ovelha'/365, l='MpServer', x=351,56, y=65,00, z=1530,28], un['Morcego'/366, l='MpServer', x=350,72, y=44,10, z=1580,03], un['Morcego'/367, l='MpServer', x=342,88, y=43,10, z=1571,53], un['Morcego'/362, l='MpServer', x=347,60, y=21,64, z=1535,25], up['Galinha'/363, l='MpServer', x=336,47, y=65,00, z=1530,34], un['Morcego'/410, l='MpServer', x=362,75, y=39,10, z=1586,09], uy['Ovelha'/411, l='MpServer', x=361,53, y=66,00, z=1637,81], vt['item.item.seeds'/408, l='MpServer', x=359,00, y=67,13, z=1571,34], wz['Zumbi'/409, l='MpServer', x=358,47, y=66,00, z=1576,59], uy['Ovelha'/412, l='MpServer', x=363,13, y=63,00, z=1649,03], uy['Ovelha'/413, l='MpServer', x=362,16, y=63,00, z=1651,28], wz['Zumbi'/402, l='MpServer', x=365,06, y=66,00, z=1550,38], uy['Ovelha'/403, l='MpServer', x=362,06, y=66,00, z=1550,97], wz['Zumbi'/400, l='MpServer', x=353,66, y=28,00, z=1551,36], un['Morcego'/401, l='MpServer', x=365,28, y=19,10, z=1550,72], wz['Zumbi'/406, l='MpServer', x=358,50, y=42,00, z=1578,50], vt['item.item.seeds'/407, l='MpServer', x=359,85, y=66,05, z=1573,97], wi['Creeper'/404, l='MpServer', x=364,00, y=46,00, z=1567,44], un['Morcego'/405, l='MpServer', x=354,75, y=43,10, z=1580,75], wz['Zumbi'/399, l='MpServer', x=357,31, y=27,87, z=1546,49], wz['Zumbi'/398, l='MpServer', x=356,28, y=28,00, z=1549,00], ux['Porco'/440, l='MpServer', x=398,97, y=79,00, z=1659,53], ux['Porco'/441, l='MpServer', x=385,13, y=86,00, z=1666,09], uq['Vaca'/442, l='MpServer', x=391,03, y=87,00, z=1687,03], ux['Porco'/443, l='MpServer', x=393,50, y=85,00, z=1680,25], wu['Esqueleto'/434, l='MpServer', x=389,22, y=16,00, z=1535,06], uy['Ovelha'/435, l='MpServer', x=390,72, y=67,00, z=1558,53], uy['Ovelha'/436, l='MpServer', x=395,03, y=67,00, z=1567,06], ww['Aranha'/437, l='MpServer', x=397,97, y=66,00, z=1577,94], ww['Aranha'/438, l='MpServer', x=399,00, y=65,00, z=1588,94], uy['Ovelha'/439, l='MpServer', x=386,25, y=64,00, z=1628,14], uy['Ovelha'/425, l='MpServer', x=372,78, y=63,00, z=1648,28], wi['Creeper'/424, l='MpServer', x=369,25, y=65,00, z=1633,09], ux['Porco'/426, l='MpServer', x=381,22, y=86,00, z=1671,69], uy['Ovelha'/419, l='MpServer', x=370,09, y=65,00, z=1545,97], wz['Zumbi'/418, l='MpServer', x=373,56, y=47,00, z=1547,53], uy['Ovelha'/421, l='MpServer', x=380,26, y=66,00, z=1546,51], uy['Ovelha'/420, l='MpServer', x=374,03, y=65,00, z=1547,03], wj['Enderman'/423, l='MpServer', x=379,69, y=41,00, z=1586,50], wu['Esqueleto'/422, l='MpServer', x=370,69, y=66,00, z=1558,84], uq['Vaca'/474, l='MpServer', x=400,34, y=87,00, z=1686,25], wz['Zumbi'/472, l='MpServer', x=402,50, y=59,00, z=1687,50], uq['Vaca'/473, l='MpServer', x=404,25, y=87,00, z=1684,25], un['Morcego'/470, l='MpServer', x=408,21, y=19,57, z=1666,05], wu['Esqueleto'/471, l='MpServer', x=402,88, y=17,00, z=1648,50], vb['Lula'/468, l='MpServer', x=402,54, y=58,22, z=1644,51], vb['Lula'/469, l='MpServer', x=404,16, y=59,96, z=1644,51], vb['Lula'/466, l='MpServer', x=406,10, y=60,42, z=1638,10], vb['Lula'/467, l='MpServer', x=409,50, y=60,13, z=1639,73], wi['Creeper'/464, l='MpServer', x=404,34, y=44,00, z=1604,53], wi['Creeper'/465, l='MpServer', x=407,50, y=45,00, z=1603,50], wz['Zumbi'/463, l='MpServer', x=404,50, y=45,00, z=1601,50], wu['Esqueleto'/462, l='MpServer', x=404,50, y=18,00, z=1611,50], ww['Aranha'/461, l='MpServer', x=409,53, y=66,00, z=1590,34], biw['afenn'/195, l='MpServer', x=350,81, y=75,61, z=1607,34], wz['Zumbi'/460, l='MpServer', x=411,50, y=28,00, z=1559,50], wu['Esqueleto'/459, l='MpServer', x=408,50, y=28,00, z=1564,50], uy['Ovelha'/250, l='MpServer', x=271,94, y=66,00, z=1566,06], uy['Ovelha'/246, l='MpServer', x=271,53, y=68,00, z=1534,34], uy['Ovelha'/247, l='MpServer', x=271,81, y=67,00, z=1536,44]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at bir.a(SourceFile:284)
	at ayw.b(SourceFile:1938)
	at ayw.e(SourceFile:720)
	at net.minecraft.client.main.Main.main(SourceFile:103)

-- System Details --
Details:
	Minecraft Version: 13w42b
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.7.0_40, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
	Memory: 143839272 bytes (137 MB) / 292806656 bytes (279 MB) up to 518979584 bytes (494 MB)
	JVM Flags: 1 total; -Xmx512M
	AABB Pool Size: 17299 (968744 bytes; 0 MB) allocated, 1814 (101584 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	Launched Version: 13w42b
	LWJGL: 2.9.0
	OpenGL: GeForce 310/PCI/SSE2 GL version 3.2.0, NVIDIA Corporation
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: Português (BR)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 1638 (91728 bytes; 0 MB) allocated, 467 (26152 bytes; 0 MB) used
	Anisotropic Filtering: Off (1)