---- Minecraft Crash Report ----
// Hey, that tickles! Hehehe!

Time: 18.12.17 19:19
Description: Ticking block entity

java.lang.NullPointerException: Ticking block entity
	at bba.j(SourceFile:97)
	at bba.f(SourceFile:108)
	at bba.Q_(SourceFile:322)
	at aqy.k(SourceFile:1470)
	at bne.m(SourceFile:1253)
	at bne.b(SourceFile:791)
	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 bba.j(SourceFile:97)
	at bba.f(SourceFile:108)
	at bba.Q_(SourceFile:322)

-- Block entity being ticked --
Details:
	Name: minecraft:piston // bba
	Block: minecraft:sticky_piston[extended=false,facing=up]
	Block location: World: (74,56,536), Chunk: (at 10,3,8 in 4,33; contains blocks 64,0,528 to 79,255,543), Region: (0,1; contains chunks 0,32 to 31,63, blocks 0,0,512 to 511,255,1023)
	Block: minecraft:sticky_piston[extended=false,facing=up]
	Block location: World: (74,56,536), Chunk: (at 10,3,8 in 4,33; contains blocks 64,0,528 to 79,255,543), Region: (0,1; contains chunks 0,32 to 31,63, blocks 0,0,512 to 511,255,1023)
Stacktrace:
	at aqy.k(SourceFile:1470)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bzk['LapisDemon'/0, l='MpServer', x=63,92, y=56,66, z=532,29]]
	Chunk stats: MultiplayerChunkCache: 81, 81
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: World: (83,4,529), Chunk: (at 3,0,1 in 5,33; contains blocks 80,0,528 to 95,255,543), Region: (0,1; contains chunks 0,32 to 31,63, blocks 0,0,512 to 511,255,1023)
	Level time: 45750 game time, 6013 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: 1 total; [bzk['LapisDemon'/0, l='MpServer', x=63,92, y=56,66, z=532,29]]
	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_151, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 341524800 bytes (325 MB) / 1235222528 bytes (1178 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: 0, tallocated: 0
	Launched Version: 17w50a
	LWJGL: 3.1.2 build 29
	OpenGL: GeForce GTX 780/PCIe/SSE2 GL version 4.5.0 NVIDIA 368.69, NVIDIA Corporation
	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: vanilla, file/1.13 iRedstone v0.01.zip
	Current Language: ~~ERROR~~ NullPointerException: null
	Profiler Position: N/A (disabled)
	CPU: 8x Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz