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---- Minecraft Crash Report ----
// I just don't know what went wrong

Time: 7/25/13 10:30 PM
Description: Ticking entity

java.lang.IllegalArgumentException: n must be positive
at java.util.Random.nextInt(Random.java:304)
at aav.a(SourceFile:144)
at oe.c(SourceFile:800)
at ue.d(SourceFile:737)
at oe.a(SourceFile:570)
at ue.a(SourceFile:694)
at ju.a(SourceFile:262)
at ug.l_(SourceFile:265)
at abv.a(SourceFile:1349)
at jr.a(SourceFile:479)
at abv.g(SourceFile:1327)
at abv.h(SourceFile:1234)
at jr.h(SourceFile:364)
at net.minecraft.server.MinecraftServer.t(SourceFile:470)
at net.minecraft.server.MinecraftServer.s(SourceFile:405)
at bkw.s(SourceFile:124)
at net.minecraft.server.MinecraftServer.run(SourceFile:339)
at hh.run(SourceFile:582)


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

-- Head --
Stacktrace:
at java.util.Random.nextInt(Random.java:304)
at aav.a(SourceFile:144)
at oe.c(SourceFile:800)
at ue.d(SourceFile:737)
at oe.a(SourceFile:570)
at ue.a(SourceFile:694)
at ju.a(SourceFile:262)
at ug.l_(SourceFile:265)
at abv.a(SourceFile:1349)
at jr.a(SourceFile:479)
at abv.g(SourceFile:1327)

-- Entity being ticked --
Details:
Entity Type: Arrow (ug)
Entity ID: 1764
Entity Name: arrow
Entity's Exact location: 9997.89, 61.43, 10004.31
Entity's Block location: World: (9997,61,10004), Chunk: (at 13,3,4 in 624,625; contains blocks 9984,0,10000 to 9999,255,10015), Region: (19,19; contains chunks 608,608 to 639,639, blocks 9728,0,9728 to 10239,255,10239)
Entity's Momentum: 1.51, -0.29, -0.04
Stacktrace:
at abv.h(SourceFile:1234)
at jr.h(SourceFile:364)

-- Affected level --
Details:
Level name: Sky_Survival_2.2!!
All players: 1 total; [ju['smb64'/185, l='Sky_Survival_2.2!!', x=9999.40, y=60.00, z=10004.11]]
Chunk stats: ServerChunkCache: 1066 Drop: 0
Level seed: -6656555460698094525
Level generator: ID 01 - flat, ver 0. Features enabled: true
Level generator options: 2;0;1
Level spawn location: World: (175,69,292), Chunk: (at 15,4,4 in 10,18; contains blocks 160,0,288 to 175,255,303), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 5333764 game time, 755014 day time
Level dimension: 0
Level storage version: 0x04ABD - Anvil
Level weather: Rain time: 123542 (now: false), thunder time: 47349 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: true
Stacktrace:
at net.minecraft.server.MinecraftServer.t(SourceFile:470)
at net.minecraft.server.MinecraftServer.s(SourceFile:405)
at bkw.s(SourceFile:124)
at net.minecraft.server.MinecraftServer.run(SourceFile:339)
at hh.run(SourceFile:582)

-- System Details --
Details:
Minecraft Version: 1.6.2
Operating System: Windows XP (x86) version 5.1
Java Version: 1.8.0-ea, Oracle Corporation
Java VM Version: Java HotSpot™ Client VM (mixed mode, sharing), Oracle Corporation
Memory: 90396344 bytes (86 MB) / 294510592 bytes (280 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 1 total; -Xmx1G
AABB Pool Size: 2289 (128184 bytes; 0 MB) allocated, 2019 (113064 bytes; 0 MB) used
Suspicious classes: No suspicious classes found.
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Profiler Position: N/A (disabled)
Vec3 Pool Size: 282 (15792 bytes; 0 MB) allocated, 260 (14560 bytes; 0 MB) used
Player Count: 1 / 8; [ju['smb64'/185, l='Sky_Survival_2.2!!', x=9999.40, y=60.00, z=10004.11]]
Type: Integrated Server (map_client.txt)
Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.