---- Minecraft Crash Report ----
// This doesn't make any sense!

Time: 19/12/17 4:52 PM
Description: Rendering Block Entity

java.lang.IllegalArgumentException: Cannot get property bbu{name=facing, clazz=class ef, values=[north, east, south, west]} as it does not exist in bbi{block=minecraft:air, properties=[]}
	at bbi$a.c(SourceFile:173)
	at ccj.a(SourceFile:37)
	at ccj.a(SourceFile:18)
	at ccc.a(SourceFile:134)
	at ccc.a(SourceFile:122)
	at cad.a(SourceFile:674)
	at bzx.b(SourceFile:1185)
	at bzx.a(SourceFile:1093)
	at bzx.a(SourceFile:951)
	at bne.b(SourceFile:820)
	at bne.a(SourceFile:380)
	at net.minecraft.client.main.Main.main(SourceFile:140)


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

-- Head --
Thread: Client thread
Stacktrace:
	at bbi$a.c(SourceFile:173)
	at ccj.a(SourceFile:37)
	at ccj.a(SourceFile:18)

-- Block Entity Details --
Details:
	Name: minecraft:sign // bag
	Block: minecraft:air
	Block location: World: (-1088,55,481), Chunk: (at 0,3,1 in -68,30; contains blocks -1088,0,480 to -1073,255,495), Region: (-3,0; contains chunks -96,0 to -65,31, blocks -1536,0,0 to -1025,255,511)
	Block: minecraft:air
	Block location: World: (-1088,55,481), Chunk: (at 0,3,1 in -68,30; contains blocks -1088,0,480 to -1073,255,495), Region: (-3,0; contains chunks -96,0 to -65,31, blocks -1536,0,0 to -1025,255,511)
Stacktrace:
	at ccc.a(SourceFile:134)
	at ccc.a(SourceFile:122)
	at cad.a(SourceFile:674)
	at bzx.b(SourceFile:1185)
	at bzx.a(SourceFile:1093)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bzk['Remin'/0, l='MpServer', x=-1082.50, y=56.00, z=420.50]]
	Chunk stats: MultiplayerChunkCache: 464, 464
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: World: (-1080,4,419), Chunk: (at 8,0,3 in -68,26; contains blocks -1088,0,416 to -1073,255,431), Region: (-3,0; contains chunks -96,0 to -65,31, blocks -1536,0,0 to -1025,255,511)
	Level time: 19328 game time, 6595 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: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 5 total; [bzk['Remin'/0, l='MpServer', x=-1079.50, y=55.00, z=419.50], bzk['Remin'/0, l='MpServer', x=-1083.39, y=58.64, z=418.15], bzk['Remin'/0, l='MpServer', x=-1082.50, y=56.00, z=420.50], bzk['Remin'/0, l='MpServer', x=-1076.50, y=55.00, z=417.50], bzk['Remin'/0, l='MpServer', x=-1071.01, y=60.00, z=429.73]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at bxl.a(SourceFile:356)
	at bne.b(SourceFile:1838)
	at bne.a(SourceFile:389)
	at net.minecraft.client.main.Main.main(SourceFile:140)

-- System Details --
Details:
	Minecraft Version: 17w50a
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.8.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 288232224 bytes (274 MB) / 1006632960 bytes (960 MB) up to 1073741824 bytes (1024 MB)
	JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 17w50a
	LWJGL: 3.1.2 build 29
	OpenGL: AMD Radeon HD 6800 Series GL version 4.5.13399 Compatibility Profile Context 15.200.1062.0, ATI Technologies Inc.
	GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

	Using VBOs: Yes
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: 
	Current Language: ~~ERROR~~ NullPointerException: null
	Profiler Position: N/A (disabled)
	CPU: 6x AMD Phenom(tm) II X6 1090T Processor