---- Minecraft Crash Report ----
// Oops.

Time: 1/16/14 5:16 PM
Description: Ticking memory connection

java.lang.NullPointerException: Ticking memory connection
	at afe.a(SourceFile:55)
	at xm.a(SourceFile:292)
	at zl.a(SourceFile:58)
	at yj.a(SourceFile:238)
	at na.a(SourceFile:623)
	at io.a(SourceFile:32)
	at io.a(SourceFile:10)
	at ef.a(SourceFile:164)
	at mv.c(SourceFile:134)
	at net.minecraft.server.MinecraftServer.u(SourceFile:528)
	at net.minecraft.server.MinecraftServer.t(SourceFile:440)
	at btk.t(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:357)
	at lb.run(SourceFile:616)


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

-- Head --
Stacktrace:
	at afe.a(SourceFile:55)
	at xm.a(SourceFile:292)
	at zl.a(SourceFile:58)
	at yj.a(SourceFile:238)
	at na.a(SourceFile:623)
	at io.a(SourceFile:32)
	at io.a(SourceFile:10)
	at ef.a(SourceFile:164)

-- Ticking connection --
Details:
	Connection: ef@347086f9
Stacktrace:
	at mv.c(SourceFile:134)
	at net.minecraft.server.MinecraftServer.u(SourceFile:528)
	at net.minecraft.server.MinecraftServer.t(SourceFile:440)
	at btk.t(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:357)
	at lb.run(SourceFile:616)

-- System Details --
Details:
	Minecraft Version: 1.7.4
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_13, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 187730616 bytes (179 MB) / 487849984 bytes (465 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	AABB Pool Size: 503 (28168 bytes; 0 MB) allocated, 402 (22512 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 64 (3584 bytes; 0 MB) allocated, 56 (3136 bytes; 0 MB) used
	Player Count: 1 / 8; [mp['haha_potatoes'/36, l='Agstrom', x=683.35, y=187.00, z=667.19]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.