---- Minecraft Crash Report ----
// This doesn't make any sense!

Time: 10/31/12 6:10 PM
Description: Exception in server tick loop

java.lang.IllegalStateException: Entity is already tracked!
	at hz.a(SourceFile:67)
	at hz.a(SourceFile:48)
	at ia.a(SourceFile:24)
	at xe.a(SourceFile:786)
	at ie.a(SourceFile:553)
	at xe.d(SourceFile:778)
	at xr.a(SourceFile:138)
	at ie.b(SourceFile:106)
	at net.minecraft.server.MinecraftServer.r(SourceFile:717)
	at net.minecraft.server.MinecraftServer.q(SourceFile:661)
	at bcb.q(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:595)
	at fp.run(SourceFile:818)

Relevant Details:
- Minecraft Version: 1.4.2
- Operating System: Windows 7 (x86) version 6.1
- Java Version: 1.6.0_35, Sun Microsystems Inc.
- Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Sun Microsystems Inc.
- Memory: 224845464 bytes (214 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)
- JVM Flags: 2 total; -Xms512m -Xmx1024m
- AABB Pool Size: 2612 (146272 bytes; 0 MB) allocated, 6 (336 bytes; 0 MB) used
- Is Modded: Probably not
- Profiler Position: N/A (disabled)
- Vec3 Pool Size: 1327 (74312 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
- Player Count: 1 / 8; [ih['Sonikiliky01'/23769, l='Cloud Castle', x=115.41, y=195.00, z=392.76]]
- World Cloud Castle Entities: 0 total; []
- World Cloud Castle Players: 0 total; []
- World Cloud Castle Chunk Stats: ServerChunkCache: 0 Drop: 0
- Type: Integrated Server