---- Minecraft Crash Report ----
// Ooh. Shiny.

Time: 7/02/13 10:06 AM
Description: Ticking entity

java.lang.NullPointerException
	at cf.b(SourceFile:103)
	at cf.a(SourceFile:35)
	at iv.b(SourceFile:436)
	at iq.j_(SourceFile:161)
	at yc.a(SourceFile:1319)
	at in.a(SourceFile:450)
	at yc.g(SourceFile:1297)
	at yc.h(SourceFile:1196)
	at in.h(SourceFile:362)
	at net.minecraft.server.MinecraftServer.r(SourceFile:744)
	at net.minecraft.server.MinecraftServer.q(SourceFile:679)
	at bdz.q(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:613)
	at fy.run(SourceFile:849)


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

-- Head --
Stacktrace:
	at cf.b(SourceFile:103)
	at cf.a(SourceFile:35)
	at iv.b(SourceFile:436)
	at iq.j_(SourceFile:161)
	at yc.a(SourceFile:1319)
	at in.a(SourceFile:450)
	at yc.g(SourceFile:1297)

-- Entity being ticked --
Details:
	Entity Type: null (iq)
	Entity ID: 8253
	Name: dumass17
	Exact location: 247.29, 99.00, 285.54
	Block location: World: (247,99,285), Chunk: (at 7,6,13 in 15,17; contains blocks 240,0,272 to 255,255,287), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Momentum: 0.00, -0.08, 0.00
Stacktrace:
	at yc.h(SourceFile:1196)
	at in.h(SourceFile:362)

-- Affected level --
Details:
	Level name: World 1
	All players: 1 total; [iq['dumass17'/8253, l='World 1', x=247.29, y=99.00, z=285.54]]
	Chunk stats: ServerChunkCache: 626 Drop: 0
	Level seed: 7648038018521842579
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: 
	Level spawn location: World: (248,64,248), Chunk: (at 8,4,8 in 15,15; contains blocks 240,0,240 to 255,255,255), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 2276282 game time, 2795203 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 110214 (now: false), thunder time: 25606 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
	at net.minecraft.server.MinecraftServer.r(SourceFile:744)
	at net.minecraft.server.MinecraftServer.q(SourceFile:679)
	at bdz.q(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:613)
	at fy.run(SourceFile:849)

-- System Details --
Details:
	Minecraft Version: 1.4.7
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.6.0_20, Sun Microsystems Inc.
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Sun Microsystems Inc.
	Memory: 394695784 bytes (376 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 2 total; -Xms512m -Xmx1024m
	AABB Pool Size: 113444 (6352864 bytes; 6 MB) allocated, 113444 (6352864 bytes; 6 MB) used
	Suspicious classes: [com.pclewis.mcpatcher.MCPatcherUtils, Config, ChangeHandler, ...], [com.pclewis.mcpatcher.mod.Colorizer, BiomeHelper, Stub, ...]
	IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 9485 (531160 bytes; 0 MB) allocated, 9322 (522032 bytes; 0 MB) used
	Player Count: 1 / 8; [iq['dumass17'/8253, l='World 1', x=247.29, y=99.00, z=285.54]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Very likely; Jar signature invalidated