---- Minecraft Crash Report ----
// On the bright side, I bought you a teddy bear!

Time: 30/10/12 08:31
Description: Exception in server tick loop

java.lang.NullPointerException
	at bw.b(SourceFile:103)
	at bw.a(SourceFile:35)
	at im.b(SourceFile:457)
	at ge.a(SourceFile:73)
	at bce.b(SourceFile:72)
	at net.minecraft.server.MinecraftServer.r(SourceFile:731)
	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 (amd64) version 6.1
- Java Version: 1.6.0_31, Sun Microsystems Inc.
- Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc.
- Memory: 201703376 bytes (192 MB) / 421396480 bytes (401 MB) up to 954466304 bytes (910 MB)
- JVM Flags: 2 total; -Xms128m -Xmx1024m
- AABB Pool Size: 95802 (5364912 bytes; 5 MB) allocated, 95802 (5364912 bytes; 5 MB) used
- Is Modded: Very likely
- Profiler Position: N/A (disabled)
- Vec3 Pool Size: 15764 (882784 bytes; 0 MB) allocated, 15764 (882784 bytes; 0 MB) used
- Player Count: 0 / 8; []
- World Creative Castle Entities: 0 total; []
- World Creative Castle Players: 0 total; []
- World Creative Castle Chunk Stats: ServerChunkCache: 2 Drop: 0
- Type: Integrated Server