Unexpected Crash

VERSION IS 14w27b

---- Minecraft Crash Report ----
// I blame Dinnerbone.

Time: 7/28/14 8:31 AM
Description: Unexpected error

java.lang.IllegalArgumentException: Cannot get property azi{name=facing, clazz=class dw, values=[north, south, west, east]} as it does not exist!
	at ayx.b(SourceFile:120)
	at aqq.a(SourceFile:282)
	at bnw.c(SourceFile:154)
	at bnw.b(SourceFile:71)
	at bnw.a(SourceFile:48)
	at bnm.a(SourceFile:203)
	at cdn.b(SourceFile:993)
	at bmi.ap(SourceFile:886)
	at bmi.a(SourceFile:303)
	at net.minecraft.client.main.Main.main(SourceFile:120)


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

-- Head --
Stacktrace:
	at ayx.b(SourceFile:120)
	at aqq.a(SourceFile:282)
	at bnw.c(SourceFile:154)
	at bnw.b(SourceFile:71)
	at bnw.a(SourceFile:48)
	at bnm.a(SourceFile:203)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [ccx['HyperCamel'/62082848, l='MpServer', x=-49.91, y=87.00, z=-192.30]]
	Chunk stats: MultiplayerChunkCache: 432, 432
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: -155.00,64.00,71.00 - World: (-155,64,71), Chunk: (at 5,4,7 in -10,4; contains blocks -160,0,64 to -145,255,79), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 4652054 game time, 2770732 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
	Forced entities: 65 total; [zb['Chicken'/62474367, l='MpServer', x=10.41, y=67.00, z=-157.31], abh['Creeper'/62549058, l='MpServer', x=23.50, y=44.00, z=-254.50], acm['Skeleton'/62549056, l='MpServer', x=24.50, y=44.00, z=-248.50], zk['Pig'/62474336, l='MpServer', x=7.38, y=72.02, z=-220.03], acu['Spider'/62513572, l='MpServer', x=-34.50, y=24.00, z=-114.50], zk['Pig'/62474338, l='MpServer', x=10.47, y=72.02, z=-204.31], acm['Skeleton'/62543286, l='MpServer', x=-93.50, y=36.00, z=-224.50], acz['Zombie'/62543540, l='MpServer', x=-73.50, y=29.00, z=-252.50], zk['Pig'/62442753, l='MpServer', x=-78.22, y=72.00, z=-221.66], zk['Pig'/62415533, l='MpServer', x=-105.06, y=72.00, z=-257.03], zb['Chicken'/62415530, l='MpServer', x=-110.50, y=77.00, z=-123.38], zk['Pig'/62415531, l='MpServer', x=-97.50, y=72.00, z=-254.16], acz['Zombie'/62543535, l='MpServer', x=-75.50, y=29.00, z=-250.50], zb['Chicken'/62499769, l='MpServer', x=18.34, y=64.00, z=-115.31], acm['Skeleton'/62507619, l='MpServer', x=-60.50, y=38.00, z=-151.50], zk['Pig'/62471317, l='MpServer', x=-14.75, y=70.00, z=-270.13], aap['item.item.dyePowder.black'/62441998, l='MpServer', x=-72.66, y=45.00, z=-196.88], aap['item.item.dyePowder.black'/62441997, l='MpServer', x=-73.16, y=45.00, z=-194.81], aap['item.item.dyePowder.black'/62441996, l='MpServer', x=-68.50, y=44.00, z=-196.50], acz['Zombie'/62491530, l='MpServer', x=-114.50, y=26.00, z=-220.50], yz['Bat'/62541439, l='MpServer', x=-99.84, y=28.81, z=-208.25], abh['Creeper'/62549020, l='MpServer', x=8.97, y=27.00, z=-263.66], acm['Skeleton'/62543562, l='MpServer', x=-74.50, y=46.00, z=-197.50], yz['Bat'/62541429, l='MpServer', x=-97.81, y=34.03, z=-215.00], yz['Bat'/62527902, l='MpServer', x=-12.63, y=51.84, z=-135.56], abh['Creeper'/62516074, l='MpServer', x=-115.50, y=21.00, z=-149.50], zk['Pig'/62446361, l='MpServer', x=-62.59, y=90.00, z=-183.63], zk['Pig'/62446360, l='MpServer', x=-47.03, y=86.03, z=-192.63], zk['Pig'/62446357, l='MpServer', x=-59.88, y=84.00, z=-196.53], acz['Zombie'/62459951, l='MpServer', x=-126.94, y=25.00, z=-134.50], abh['Creeper'/62547861, l='MpServer', x=-12.50, y=57.00, z=-147.50], abh['Creeper'/62547863, l='MpServer', x=-9.50, y=57.00, z=-146.50], abh['Creeper'/62547862, l='MpServer', x=-11.50, y=57.00, z=-148.97], zk['Pig'/62446344, l='MpServer', x=-71.00, y=72.00, z=-262.00], acz['Zombie'/62459952, l='MpServer', x=-115.50, y=22.00, z=-133.50], acm['Skeleton'/62549055, l='MpServer', x=23.50, y=44.00, z=-248.50], abh['Creeper'/62547858, l='MpServer', x=-11.50, y=57.00, z=-149.63], aap['item.item.porkchopRaw'/62550485, l='MpServer', x=-48.36, y=87.00, z=-192.47], aap['item.item.porkchopRaw'/62550486, l='MpServer', x=-48.69, y=87.00, z=-192.33], acz['Zombie'/62459087, l='MpServer', x=-123.47, y=42.00, z=-190.38], abh['Creeper'/62499970, l='MpServer', x=-92.50, y=21.00, z=-131.50], abh['Creeper'/62472573, l='MpServer', x=-124.50, y=22.00, z=-130.50], abh['Creeper'/62472570, l='MpServer', x=-126.50, y=22.00, z=-128.50], acm['Skeleton'/62508203, l='MpServer', x=-27.50, y=33.00, z=-177.50], ccx['HyperCamel'/62082848, l='MpServer', x=-49.91, y=87.00, z=-192.30], acm['Skeleton'/62508205, l='MpServer', x=-36.50, y=33.00, z=-169.88], acm['Skeleton'/62508204, l='MpServer', x=-28.50, y=33.00, z=-175.50], abh['Creeper'/62537301, l='MpServer', x=-22.44, y=50.00, z=-128.84], abh['Creeper'/62537300, l='MpServer', x=-21.47, y=50.00, z=-130.72], abh['Creeper'/62537299, l='MpServer', x=-19.00, y=49.00, z=-128.59], zk['Pig'/62460137, l='MpServer', x=-35.03, y=69.00, z=-206.13], acu['Spider'/62540491, l='MpServer', x=-30.50, y=31.00, z=-159.50], zb['Chicken'/62469849, l='MpServer', x=-26.34, y=68.00, z=-161.44], yz['Bat'/62503957, l='MpServer', x=-52.66, y=30.50, z=-233.25], zk['Pig'/62457905, l='MpServer', x=-40.00, y=71.00, z=-259.44], zk['Pig'/62478171, l='MpServer', x=14.47, y=79.00, z=-230.31], zk['Pig'/62478172, l='MpServer', x=12.38, y=80.00, z=-228.72], yz['Bat'/62503755, l='MpServer', x=-123.31, y=21.02, z=-129.59], abh['Creeper'/62499684, l='MpServer', x=-117.50, y=22.00, z=-132.50], acz['Zombie'/62499680, l='MpServer', x=-114.66, y=22.00, z=-132.66], acz['Zombie'/62499681, l='MpServer', x=-114.66, y=22.00, z=-134.66], abh['Creeper'/62536550, l='MpServer', x=-98.56, y=31.00, z=-218.09], abj['Enderman'/62528834, l='MpServer', x=-114.50, y=24.00, z=-231.50], acz['Zombie'/62489273, l='MpServer', x=-118.50, y=30.00, z=-217.50], zb['Chicken'/62474368, l='MpServer', x=13.28, y=68.00, z=-153.63]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Non-integrated multiplayer server
Stacktrace:
	at bza.a(SourceFile:310)
	at bmi.b(SourceFile:2135)
	at bmi.a(SourceFile:317)
	at net.minecraft.client.main.Main.main(SourceFile:120)

-- System Details --
Details:
	Minecraft Version: 14w27b
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_60, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 165068504 bytes (157 MB) / 408420352 bytes (389 MB) up to 2863661056 bytes (2731 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx3G
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	Launched Version: 14w27b
	LWJGL: 2.9.1
	OpenGL: Gallium 0.4 on llvmpipe (LLVM 3.4, 128 bits) GL version 2.1 Mesa 10.0.2 (git-675cd84), VMware, Inc.
	GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because ARB_framebuffer_object is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.

	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: English (US)
	Profiler Position: N/A (disabled)