---- Minecraft Crash Report ----
// My bad.

Time: 1/14/13 1:12 PM
Description: Exception ticking world entities

java.lang.ArrayIndexOutOfBoundsException: -7
	at a.a(SourceFile:317)
	at a.a(SourceFile:304)
	at yn.h(SourceFile:1200)
	at in.h(SourceFile:374)
	at net.minecraft.server.MinecraftServer.r(SourceFile:745)
	at net.minecraft.server.MinecraftServer.q(SourceFile:680)
	at bfd.q(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:614)
	at fy.run(SourceFile:850)


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

-- Head --
Stacktrace:
	at a.a(SourceFile:317)
	at a.a(SourceFile:304)
	at yn.h(SourceFile:1200)
	at in.h(SourceFile:374)

-- Affected level --
Details:
	Level name: New World Flat
	All players: 1 total; [iq['ecsos'/32, l='New World Flat', x=678.89, y=56.00, z=1035.55]]
	Chunk stats: ServerChunkCache: 5342 Drop: 0
	Level seed: -3292723229895179473
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 2;7,3x1,52x24;2;
	Level spawn location: World: (689,4,1018), Chunk: (at 1,0,10 in 43,63; contains blocks 688,0,1008 to 703,255,1023), Region: (1,1; contains chunks 32,32 to 63,63, blocks 512,0,512 to 1023,255,1023)
	Level time: 5351 game time, 5351 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 155445 (now: false), thunder time: 116443 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.r(SourceFile:745)
	at net.minecraft.server.MinecraftServer.q(SourceFile:680)
	at bfd.q(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:614)
	at fy.run(SourceFile:850)

-- System Details --
Details:
	Minecraft Version: 13w02b
	Operating System: Mac OS X (x86_64) version 10.8.2
	Java Version: 1.6.0_37, Apple Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
	Memory: 82570048 bytes (78 MB) / 1060372480 bytes (1011 MB) up to 1060372480 bytes (1011 MB)
	JVM Flags: 3 total; -Xbootclasspath/a:/System/Library/PrivateFrameworks/JavaApplicationLauncher.framework/Resources/LauncherSupport.jar -Xms512M -Xmx1024M
	AABB Pool Size: 187 (10472 bytes; 0 MB) allocated, 140 (7840 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: 931 (52136 bytes; 0 MB) allocated, 931 (52136 bytes; 0 MB) used
	Player Count: 1 / 8; [iq['ecsos'/32, l='New World Flat', x=678.89, y=56.00, z=1035.55]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.