---- Minecraft Crash Report ----
// You're mean.

Time: 2/4/13 12:07 PM
Description: Adding entity to track

java.lang.IllegalStateException: Entity is already tracked!
	at it.a(SourceFile:76)
	at it.a(SourceFile:55)
	at iv.a(SourceFile:24)
	at zk.a(SourceFile:863)
	at iz.a(SourceFile:618)
	at zk.d(SourceFile:855)
	at zw.a(SourceFile:138)
	at iz.b(SourceFile:119)
	at net.minecraft.server.MinecraftServer.r(SourceFile:454)
	at net.minecraft.server.MinecraftServer.q(SourceFile:397)
	at bid.q(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:331)
	at gp.run(SourceFile:567)


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

-- Entity To Track --
Details:
	Tracking range: 64 blocks
	Update interval: Once per 3 ticks
	Entity Type: Squid (qe)
	Entity ID: 3636879
	Entity Name: Squid
	Entity's Exact location: 194.50, 62.00, 10.50
	Entity's Block location: World: (194,62,10), Chunk: (at 2,3,10 in 12,0; contains blocks 192,0,0 to 207,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Entity's Momentum: 0.00, 0.00, 0.00
Stacktrace:
	at it.a(SourceFile:76)
	at it.a(SourceFile:55)
	at iv.a(SourceFile:24)
	at zk.a(SourceFile:863)
	at iz.a(SourceFile:618)
	at zk.d(SourceFile:855)
	at zw.a(SourceFile:138)
	at iz.b(SourceFile:119)

-- Affected level --
Details:
	Level name: Survival
	All players: 1 total; [jc['ThaHalcyonX'/217, l='Survival', x=225.38, y=200.00, z=65.56]]
	Chunk stats: ServerChunkCache: 674 Drop: 0
	Level seed: 5345937489340185430
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: 
	Level spawn location: World: (40,64,232), Chunk: (at 8,4,8 in 2,14; contains blocks 32,0,224 to 47,255,239), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 4701531 game time, 5734011 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 65099 (now: false), thunder time: 119046 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
	at net.minecraft.server.MinecraftServer.r(SourceFile:454)
	at net.minecraft.server.MinecraftServer.q(SourceFile:397)
	at bid.q(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:331)
	at gp.run(SourceFile:567)

-- System Details --
Details:
	Minecraft Version: 13w05b
	Operating System: Linux (i386) version 3.2.0-37-generic-pae
	Java Version: 1.6.0_24, Sun Microsystems Inc.
	Java VM Version: OpenJDK Client VM (mixed mode, sharing), Sun Microsystems Inc.
	Memory: 245576816 bytes (234 MB) / 1002635264 bytes (956 MB) up to 1003487232 bytes (957 MB)
	JVM Flags: 2 total; -Xms989m -Xmx989m
	AABB Pool Size: 4474 (250544 bytes; 0 MB) allocated, 4 (224 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 1, tallocated: 63
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 5936 (332416 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Player Count: 1 / 8; [jc['ThaHalcyonX'/217, l='Survival', x=225.38, y=200.00, z=65.56]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Very likely; Jar signature invalidated