---- Minecraft Crash Report ----
// I let you down. Sorry :(

Time: 8/24/14 9:03 AM
Description: Exception ticking world

java.lang.NullPointerException: Exception ticking world
	at aqg.f(SourceFile:40)
	at aqg.b(SourceFile:226)
	at bde.b(SourceFile:50)
	at bde.x_(SourceFile:61)
	at qr.a(SourceFile:168)
	at qr.b(SourceFile:131)
	at qq.b(SourceFile:208)
	at qt.c(SourceFile:205)
	at net.minecraft.server.MinecraftServer.z(SourceFile:599)
	at net.minecraft.server.MinecraftServer.y(SourceFile:531)
	at cyf.y(SourceFile:155)
	at net.minecraft.server.MinecraftServer.run(SourceFile:447)
	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 aqg.f(SourceFile:40)
	at aqg.b(SourceFile:226)
	at bde.b(SourceFile:50)
	at bde.x_(SourceFile:61)
	at qr.a(SourceFile:168)
	at qr.b(SourceFile:131)
	at qq.b(SourceFile:208)
	at qt.c(SourceFile:205)

-- Affected level --
Details:
	Level name: Metropolis NotSuperFlat
	All players: 1 total; [qw['Legofan1028'/283, l='Metropolis NotSuperFlat', x=-513.28, y=92.00, z=660.96]]
	Chunk stats: ServerChunkCache: 502 Drop: 0
	Level seed: -944089710799446542
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: -514.00,92.00,659.00 - World: (-514,92,659), Chunk: (at 14,5,3 in -33,41; contains blocks -528,0,656 to -513,255,671), Region: (-2,1; contains chunks -64,32 to -33,63, blocks -1024,0,512 to -513,255,1023)
	Level time: 509520 game time, 6000 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 1 (now: false), thunder time: 1 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.z(SourceFile:599)
	at net.minecraft.server.MinecraftServer.y(SourceFile:531)
	at cyf.y(SourceFile:155)
	at net.minecraft.server.MinecraftServer.run(SourceFile:447)
	at java.lang.Thread.run(Thread.java:695)

-- System Details --
Details:
	Minecraft Version: 1.8-pre1
	Operating System: Mac OS X (x86_64) version 10.9.3
	Java Version: 1.6.0_65, Apple Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
	Memory: 645589920 bytes (615 MB) / 1060372480 bytes (1011 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: 95
	Profiler Position: N/A (disabled)
	Player Count: 1 / 8; [qw['Legofan1028'/283, l='Metropolis NotSuperFlat', x=-513.28, y=92.00, z=660.96]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.