---- Minecraft Crash Report ----
// I feel sad now :(

Time: 3/12/15 10:18 PM
Description: Exception ticking world

java.lang.IllegalArgumentException: Cannot get property arh{name=half, clazz=class als$a, values=[top, bottom]} as it does not exist in aqv{block=minecraft:double_wooden_slab, properties=[variant]}
	at aqv$a.c(SourceFile:165)
	at als.k(SourceFile:50)
	at aqv$a.q(SourceFile:388)
	at ahu.a(SourceFile:203)
	at ahu.a(SourceFile:132)
	at lp.d(SourceFile:198)
	at net.minecraft.server.MinecraftServer.D(SourceFile:617)
	at la.D(SourceFile:339)
	at net.minecraft.server.MinecraftServer.C(SourceFile:553)
	at net.minecraft.server.MinecraftServer.run(SourceFile:457)
	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 aqv$a.c(SourceFile:165)
	at als.k(SourceFile:50)
	at aqv$a.q(SourceFile:388)
	at ahu.a(SourceFile:203)
	at ahu.a(SourceFile:132)
	at lp.d(SourceFile:198)

-- Affected level --
Details:
	Level name: world
	All players: 1 total; [lr['ChickenFS'/134, l='world', x=68.52, y=63.94, z=614.46]]
	Chunk stats: ServerChunkCache: 697 Drop: 0
	Level seed: 6481382756992656707
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: 
	Level spawn location: World: (4,64,188), Chunk: (at 4,4,12 in 0,11; contains blocks 0,0,176 to 15,255,191), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 46559635 game time, 47959879 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 108936 (now: false), thunder time: 38780 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
	at net.minecraft.server.MinecraftServer.D(SourceFile:617)
	at la.D(SourceFile:339)
	at net.minecraft.server.MinecraftServer.C(SourceFile:553)
	at net.minecraft.server.MinecraftServer.run(SourceFile:457)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 15w49a
	Operating System: Linux (amd64) version 3.2.0-4-amd64
	Java Version: 1.7.0_65, Oracle Corporation
	Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 269497368 bytes (257 MB) / 511246336 bytes (487 MB) up to 2077753344 bytes (1981 MB)
	JVM Flags: 2 total; -Xmx2048m -Xincgc
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	Profiler Position: N/A (disabled)
	Player Count: 1 / 10; [lr['ChickenFS'/134, l='world', x=68.52, y=63.94, z=614.46]]
	Is Modded: Unknown (can't tell)
	Type: Dedicated Server (map_server.txt)