---- Minecraft Crash Report ----
// Would you like a cupcake?

Time: 10/6/16 6:05 PM
Description: Ticking block entity

java.lang.IllegalArgumentException: Cannot get property att{name=facing, clazz=class cv, values=[down, up, north, south, west, east]} as it does not exist in ath{block=minecraft:air, properties=[]}
	at ath$a.c(SourceFile:166)
	at ata.j(SourceFile:102)
	at ata.a(SourceFile:92)
	at ata.f(SourceFile:110)
	at ata.F_(SourceFile:233)
	at ajn.k(SourceFile:1429)
	at ben.t(SourceFile:1649)
	at ben.av(SourceFile:967)
	at ben.a(SourceFile:395)
	at net.minecraft.client.main.Main.main(SourceFile:124)


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

-- Head --
Thread: Client thread
Stacktrace:
	at ath$a.c(SourceFile:166)
	at ata.j(SourceFile:102)
	at ata.a(SourceFile:92)
	at ata.f(SourceFile:110)
	at ata.F_(SourceFile:233)

-- Block entity being ticked --
Details:
	Name: minecraft:piston // ata
	Block type: ID #36 (tile.null // asz)
	Block data value: 0 / 0x0 / 0b0000
	Block location: World: (-700,58,-12), Chunk: (at 4,3,4 in -44,-1; contains blocks -704,0,-16 to -689,255,-1), Region: (-2,-1; contains chunks -64,-32 to -33,-1, blocks -1024,0,-512 to -513,255,-1)
	Actual block type: ID #36 (tile.null // asz)
	Actual block data value: 5 / 0x5 / 0b0101
Stacktrace:
	at ajn.k(SourceFile:1429)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bpn['dcleondc'/664875, l='MpServer', x=-704.80, y=61.18, z=-8.78]]
	Chunk stats: MultiplayerChunkCache: 441, 441
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: World: (-736,4,55), Chunk: (at 0,0,7 in -46,3; contains blocks -736,0,48 to -721,255,63), Region: (-2,0; contains chunks -64,0 to -33,31, blocks -1024,0,0 to -513,255,511)
	Level time: 110190 game time, 6000 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: 10 total; [bpn['dcleondc'/664875, l='MpServer', x=-704.80, y=61.18, z=-8.78], zf['item.tile.pumpkin'/664874, l='MpServer', x=-729.42, y=55.94, z=-25.26], zf['item.tile.pumpkin'/664873, l='MpServer', x=-729.28, y=55.94, z=-27.66], zf['item.item.redstone'/664876, l='MpServer', x=-689.46, y=57.00, z=8.86], zf['item.tile.pumpkin'/664882, l='MpServer', x=-729.48, y=56.06, z=-24.17], zf['item.tile.pumpkin'/664883, l='MpServer', x=-729.76, y=56.06, z=-22.47], zf['item.tile.pumpkin'/664881, l='MpServer', x=-729.53, y=56.06, z=-26.24], aca['entity.MinecartRideable.name'/664836, l='MpServer', x=-696.49, y=52.06, z=-60.50], wu['Cow'/664837, l='MpServer', x=-691.73, y=56.00, z=-75.17], aap['Villager'/544407, l='MpServer', x=-754.47, y=56.00, z=65.42]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Non-integrated multiplayer server
Stacktrace:
	at bnl.a(SourceFile:365)
	at ben.b(SourceFile:2536)
	at ben.a(SourceFile:404)
	at net.minecraft.client.main.Main.main(SourceFile:124)

-- System Details --
Details:
	Minecraft Version: 16w40a
	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: 89245856 bytes (85 MB) / 284467200 bytes (271 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
	Launched Version: 16w40a
	LWJGL: 2.9.4
	OpenGL: AMD Radeon R7 200 Series GL version 4.5.13447 Compatibility Profile Context 20.19.0.32837, 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: English (US)
	Profiler Position: N/A (disabled)
	CPU: 6x AMD FX(tm)-6300 Six-Core Processor