---- Minecraft Crash Report ----
// I just don't know what went wrong :(

Time: 24/12/12 21:59
Description: Ticking memory connection

java.lang.NullPointerException
	at ur.f(SourceFile:129)
	at ur.h(SourceFile:143)
	at qw.a(SourceFile:219)
	at px.c_(SourceFile:189)
	at qx.r(SourceFile:388)
	at qx.c(SourceFile:380)
	at md.j_(SourceFile:540)
	at qx.j_(SourceFile:200)
	at iq.g(SourceFile:175)
	at iv.a(SourceFile:199)
	at eb.a(SourceFile:136)
	at cf.b(SourceFile:55)
	at iv.d(SourceFile:57)
	at iw.b(SourceFile:39)
	at bec.b(SourceFile:84)
	at net.minecraft.server.MinecraftServer.r(SourceFile:762)
	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:
---------------------------------------------------------------------------------------

-- System Details --
Details:
	Minecraft Version: 1.4.6
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.6.0_37, Sun Microsystems Inc.
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Sun Microsystems Inc.
	Memory: 369520656 bytes (352 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 2 total; -Xms512m -Xmx1024m
	AABB Pool Size: 4451 (249256 bytes; 0 MB) allocated, 3960 (221760 bytes; 0 MB) used
	Suspicious classes: ~~ERROR~~ NoClassDefFoundError: com/pclewis/mcpatcher/mod/TileOverride$1
	IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 2304 (129024 bytes; 0 MB) allocated, 1874 (104944 bytes; 0 MB) used
	Player Count: 1 / 8; [iq['tonydewonderful'/248, l='Main World', x=162.35, y=63.00, z=160.43]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Very likely; Jar signature invalidated