Random World Crash

---- Minecraft Crash Report ----
// Don't be sad, have a hug! <3

Time: 3/12/15 10:07 PM
Description: Exception ticking world

java.lang.NullPointerException: Exception ticking world
	at aqv.a(SourceFile:40)
	at aqr.a(SourceFile:93)
	at aob.a(SourceFile:434)
	at le.a(SourceFile:174)
	at amz.a(SourceFile:857)
	at le.c(SourceFile:104)
	at le.d(SourceFile:116)
	at adn.a(SourceFile:277)
	at lf.h(SourceFile:327)
	at lf.c(SourceFile:202)
	at net.minecraft.server.MinecraftServer.A(SourceFile:597)
	at net.minecraft.server.MinecraftServer.z(SourceFile:533)
	at bpp.z(SourceFile:152)
	at net.minecraft.server.MinecraftServer.run(SourceFile:449)
	at java.lang.Thread.run(Thread.java:695)


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

-- Head --
Stacktrace:
	at aqv.a(SourceFile:40)
	at aqr.a(SourceFile:93)
	at aob.a(SourceFile:434)
	at le.a(SourceFile:174)
	at amz.a(SourceFile:857)
	at le.c(SourceFile:104)
	at le.d(SourceFile:116)
	at adn.a(SourceFile:277)
	at lf.h(SourceFile:327)
	at lf.c(SourceFile:202)

-- Affected level --
Details:
	Level name: Templar City
	All players: 1 total; [lg['TheGunzman'/229, l='Templar City', x=-1169.09, y=95.99, z=-96.36]]
	Chunk stats: ServerChunkCache: 961 Drop: 0
	Level seed: -1039728619836197315
	Level generator: ID 02 - largeBiomes, ver 0. Features enabled: true
	Level generator options: 
	Level spawn location: -932.00,69.00,33.00 - World: (-932,69,33), Chunk: (at 12,4,1 in -59,2; contains blocks -944,0,32 to -929,255,47), Region: (-2,0; contains chunks -64,0 to -33,31, blocks -1024,0,0 to -513,255,511)
	Level time: 4507190 game time, 7951 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 96253 (now: false), thunder time: 57923 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.A(SourceFile:597)
	at net.minecraft.server.MinecraftServer.z(SourceFile:533)
	at bpp.z(SourceFile:152)
	at net.minecraft.server.MinecraftServer.run(SourceFile:449)
	at java.lang.Thread.run(Thread.java:695)

-- System Details --
Details:
	Minecraft Version: 1.8.3
	Operating System: Mac OS X (x86_64) version 10.9.5
	CPU: 4x Intel(R) Core(TM) i7-2640M CPU @ 2.80GHz
	Java Version: 1.6.0_65, Apple Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
	Memory: 168468832 bytes (160 MB) / 359305216 bytes (342 MB) up to 1060372480 bytes (1011 MB)
	JVM Flags: 5 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 99
	Profiler Position: N/A (disabled)
	Player Count: 1 / 8; [lg['TheGunzman'/229, l='Templar City', x=-1169.09, y=95.99, z=-96.36]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.