---- Minecraft Crash Report ----
// Surprise! Haha. Well, this is awkward.

Time: 10/8/15 9:24 PM
Description: Exception ticking world

java.lang.ClassCastException: air cannot be cast to ajv
	at avo$c.a(SourceFile:1716)
	at avl.a(SourceFile:42)
	at avh.a(SourceFile:94)
	at asm.b(SourceFile:165)
	at arj.a(SourceFile:802)
	at arj.a(SourceFile:776)
	at ln.d(SourceFile:115)
	at lt.a(SourceFile:85)
	at lu.c(SourceFile:143)
	at lo.d(SourceFile:207)
	at net.minecraft.server.MinecraftServer.D(SourceFile:610)
	at net.minecraft.server.MinecraftServer.C(SourceFile:546)
	at bvw.C(SourceFile:154)
	at net.minecraft.server.MinecraftServer.run(SourceFile:450)
	at java.lang.Thread.run(Thread.java:745)


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

-- Head --
Stacktrace:
	at avo$c.a(SourceFile:1716)
	at avl.a(SourceFile:42)
	at avh.a(SourceFile:94)
	at asm.b(SourceFile:165)
	at arj.a(SourceFile:802)
	at arj.a(SourceFile:776)
	at ln.d(SourceFile:115)
	at lt.a(SourceFile:85)
	at lu.c(SourceFile:143)
	at lo.d(SourceFile:207)

-- Affected level --
Details:
	Level name: Giant Minecraft Stuff
	All players: 1 total; [lq['DragonHero543'/17, l='Giant Minecraft Stuff', x=-776.72, y=102.00, z=598.21]]
	Chunk stats: ServerChunkCache: 2500 Drop: 0
	Level seed: 2541169
	Level generator: ID 01 - flat, ver 0. Features enabled: true
	Level generator options: 3;minecraft:bedrock,100*minecraft:dirt,minecraft:grass;1;village
	Level spawn location: World: (-785,4,610), Chunk: (at 15,0,2 in -50,38; contains blocks -800,0,608 to -785,255,623), Region: (-2,1; contains chunks -64,32 to -33,63, blocks -1024,0,512 to -513,255,1023)
	Level time: 229540 game time, 1000 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.D(SourceFile:610)
	at net.minecraft.server.MinecraftServer.C(SourceFile:546)
	at bvw.C(SourceFile:154)
	at net.minecraft.server.MinecraftServer.run(SourceFile:450)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 15w41b
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 175977872 bytes (167 MB) / 562749440 bytes (536 MB) up to 1060372480 bytes (1011 MB)
	JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Profiler Position: N/A (disabled)
	Player Count: 1 / 8; [lq['DragonHero543'/17, l='Giant Minecraft Stuff', x=-776.72, y=102.00, z=598.21]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.