---- Minecraft Crash Report ----
// Daisy, daisy...

Time: 09/12/12 15:34
Description: Ticking entity

java.lang.IllegalStateException: Entity is already tracked!
	at ii.a(SourceFile:72)
	at ii.a(SourceFile:50)
	at ij.a(SourceFile:24)
	at xv.a(SourceFile:842)
	at in.a(SourceFile:581)
	at xv.d(SourceFile:834)
	at amj.b(SourceFile:637)
	at amj.a(SourceFile:624)
	at xq.a(SourceFile:172)
	at in.a(SourceFile:631)
	at xv.a(SourceFile:1523)
	at pz.c(SourceFile:82)
	at pz.j_(SourceFile:72)
	at xv.a(SourceFile:1317)
	at in.a(SourceFile:451)
	at xv.g(SourceFile:1296)
	at xv.h(SourceFile:1195)
	at in.h(SourceFile:363)
	at net.minecraft.server.MinecraftServer.r(SourceFile:751)
	at net.minecraft.server.MinecraftServer.q(SourceFile:686)
	at bdo.q(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:620)
	at fy.run(SourceFile:856)


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

-- Head --
Stacktrace:
	at ii.a(SourceFile:72)
	at ii.a(SourceFile:50)
	at ij.a(SourceFile:24)
	at xv.a(SourceFile:842)
	at in.a(SourceFile:581)
	at xv.d(SourceFile:834)
	at amj.b(SourceFile:637)
	at amj.a(SourceFile:624)
	at xq.a(SourceFile:172)
	at in.a(SourceFile:631)
	at xv.a(SourceFile:1523)
	at pz.c(SourceFile:82)
	at pz.j_(SourceFile:72)
	at xv.a(SourceFile:1317)
	at in.a(SourceFile:451)
	at xv.g(SourceFile:1296)

-- Entity being ticked --
Details:
	Entity Type: PrimedTnt (pz)
	Entity ID: 108804
	Name: Block of TNT
	Exact location: 453.62, 64.02, 142.66
	Block location: World: (453,64,142), Chunk: (at 5,4,14 in 28,8; contains blocks 448,0,128 to 463,255,143), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Momentum: 0.01, -0.23, 0.01
Stacktrace:
	at xv.h(SourceFile:1195)
	at in.h(SourceFile:363)

-- Affected level --
Details:
	Level name: New World
	All players: 1 total; [iq['Masked_Minion'/15, l='New World', x=450.19, y=65.96, z=144.18]]
	Chunk stats: ServerChunkCache: 1238 Drop: 0
	Level seed: -2775494605306067903
	Level generator: ID 01 - flat, ver 0. Features enabled: true
	Level generator options: 2;7,3x1,52x24,8x12;2;stronghold,biome_1,village,decoration,dungeon,mineshaft
	Level spawn location: World: (441,4,133), Chunk: (at 9,0,5 in 27,8; contains blocks 432,0,128 to 447,255,143), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 29916 game time, 29916 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 87812 (now: false), thunder time: 145445 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.r(SourceFile:751)
	at net.minecraft.server.MinecraftServer.q(SourceFile:686)
	at bdo.q(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:620)
	at fy.run(SourceFile:856)

-- System Details --
Details:
	Minecraft Version: 1.4.5
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_09, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 330613752 bytes (315 MB) / 766377984 bytes (730 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 2 total; -Xms512m -Xmx1024m
	AABB Pool Size: 2180 (122080 bytes; 0 MB) allocated, 1621 (90776 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: 6668 (373408 bytes; 0 MB) allocated, 6668 (373408 bytes; 0 MB) used
	Player Count: 1 / 8; [iq['Masked_Minion'/15, l='New World', x=450.19, y=65.96, z=144.18]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.