Ticking memory connection?

---- Minecraft Crash Report ----
// Don't be sad. I'll do better next time, I promise!

Time: 31/10/16 23:38
Description: Ticking memory connection

java.lang.NullPointerException: Ticking memory connection
	at avm.a(SourceFile:36)
	at ave.a(SourceFile:88)
	at aqz.a(SourceFile:404)
	at ms.a(SourceFile:166)
	at apx.a(SourceFile:778)
	at ms.c(SourceFile:101)
	at mr.<init>(SourceFile:34)
	at mq.a(SourceFile:220)
	at mq.d(SourceFile:354)
	at oi.d(SourceFile:235)
	at nh.a(SourceFile:282)
	at jd.a(SourceFile:137)
	at je.a(SourceFile:63)
	at ej.a(SourceFile:174)
	at nc.c(SourceFile:134)
	at net.minecraft.server.MinecraftServer.v(SourceFile:540)
	at net.minecraft.server.MinecraftServer.u(SourceFile:453)
	at bsx.u(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:369)
	at lj.run(SourceFile:628)


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

-- Head --
Stacktrace:
	at avm.a(SourceFile:36)
	at ave.a(SourceFile:88)
	at aqz.a(SourceFile:404)
	at ms.a(SourceFile:166)
	at apx.a(SourceFile:778)
	at ms.c(SourceFile:101)
	at mr.<init>(SourceFile:34)
	at mq.a(SourceFile:220)
	at mq.d(SourceFile:354)
	at oi.d(SourceFile:235)
	at nh.a(SourceFile:282)
	at jd.a(SourceFile:137)
	at je.a(SourceFile:63)
	at ej.a(SourceFile:174)

-- Ticking connection --
Details:
	Connection: ej@18d7a470
Stacktrace:
	at nc.c(SourceFile:134)
	at net.minecraft.server.MinecraftServer.v(SourceFile:540)
	at net.minecraft.server.MinecraftServer.u(SourceFile:453)
	at bsx.u(SourceFile:117)
	at net.minecraft.server.MinecraftServer.run(SourceFile:369)
	at lj.run(SourceFile:628)

-- System Details --
Details:
	Minecraft Version: 1.7.10
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.8.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 337859712 bytes (322 MB) / 699924480 bytes (667 MB) up to 5726797824 bytes (5461 MB)
	Mod Pack: Unknown / None
	LiteLoader Mods: 2 loaded mod(s)
          - WorldEditCUI version 1.7.10_00
          - WorldEditWrapper version 1.2.0
	LaunchWrapper: 7 active transformer(s)
          - Transformer: com.mumfrey.liteloader.transformers.event.EventProxyTransformer
          - Transformer: com.mumfrey.liteloader.launch.LiteLoaderTransformer
          - Transformer: com.mumfrey.liteloader.client.transformers.CrashReportTransformer
          - Transformer: com.mumfrey.liteloader.client.transformers.LiteLoaderEventInjectionTransformer
          - Transformer: com.mumfrey.liteloader.client.transformers.MinecraftOverlayTransformer
          - Transformer: com.mumfrey.worldeditwrapper.asm.InteractionTransformer
          - Transformer: com.mumfrey.liteloader.common.transformers.LiteLoaderPacketTransformer
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx6G
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Player Count: 1 / 8; [mw['puellaignava'/329, l='Reignbow', x=223.46, y=71.69, z=-473.01]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Definitely; Client brand changed to 'LiteLoader'