---- Minecraft Crash Report ----

WARNING: coremods are present:
  RebornCoreASM (RebornCore-1.11.2-2.13.1.25-universal.jar)
Contact their authors BEFORE contacting forge

// Hi. I'm Minecraft, and I'm a crashaholic.

Time: 1/26/17 2:47 PM
Description: Tesselating block in world

java.util.ConcurrentModificationException
	at com.google.common.collect.HashBiMap$Itr.checkForConcurrentModification(HashBiMap.java:339)
	at com.google.common.collect.HashBiMap$Itr.hasNext(HashBiMap.java:345)
	at reborncore.mcmultipart.multipart.MultipartContainer.getExtendedStates(MultipartContainer.java:515)
	at reborncore.mcmultipart.block.BlockMultipartContainer.getExtendedState(BlockMultipartContainer.java:433)
	at reborncore.mcmultipart.block.BlockMultipartContainer.getExtendedState(BlockMultipartContainer.java:61)
	at net.minecraft.client.renderer.BlockRendererDispatcher.func_175018_a(BlockRendererDispatcher.java:79)
	at net.minecraft.client.renderer.chunk.RenderChunk.func_178581_b(RenderChunk.java:293)
	at net.minecraft.client.renderer.chunk.ChunkRenderWorker.func_178474_a(ChunkRenderWorker.java:119)
	at net.minecraft.client.renderer.chunk.ChunkRenderWorker.run(ChunkRenderWorker.java:47)
	at java.lang.Thread.run(Unknown Source)


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

-- Head --
Thread: Client thread
Stacktrace:
	at com.google.common.collect.HashBiMap$Itr.checkForConcurrentModification(HashBiMap.java:339)
	at com.google.common.collect.HashBiMap$Itr.hasNext(HashBiMap.java:345)
	at reborncore.mcmultipart.multipart.MultipartContainer.getExtendedStates(MultipartContainer.java:515)
	at reborncore.mcmultipart.block.BlockMultipartContainer.getExtendedState(BlockMultipartContainer.java:433)
	at reborncore.mcmultipart.block.BlockMultipartContainer.getExtendedState(BlockMultipartContainer.java:61)

-- Block being tesselated --
Details:
	Block type: ID #518 (tile.null // reborncore.mcmultipart.block.BlockMultipartContainer)
	Block data value: 0 / 0x0 / 0b0000
	Block location: World: (-8,4,243), Chunk: (at 8,0,3 in -1,15; contains blocks -16,0,240 to -1,255,255), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Stacktrace:
	at net.minecraft.client.renderer.BlockRendererDispatcher.func_175018_a(BlockRendererDispatcher.java:79)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [EntityPlayerSP['kenijey'/343, l='MpServer', x=-9.56, y=4.54, z=245.85]]
	Chunk stats: MultiplayerChunkCache: 289, 289
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options:
	Level spawn location: World: (50,4,290), Chunk: (at 2,0,2 in 3,18; contains blocks 48,0,288 to 63,255,303), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 60796 game time, 3381 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: 6 total; [EntityCow['Cow'/288, l='MpServer', x=68.71, y=4.00, z=322.83], EntityChicken['Chicken'/241, l='MpServer', x=-13.50, y=4.00, z=167.50], EntityChicken['Chicken'/244, l='MpServer', x=-14.50, y=4.00, z=316.50], EntityPlayerSP['kenijey'/343, l='MpServer', x=-9.56, y=4.54, z=245.85], EntitySheep['Sheep'/216, l='MpServer', x=-79.70, y=4.00, z=303.62], EntitySheep['Sheep'/217, l='MpServer', x=-68.81, y=4.00, z=310.30]]
	Retry entities: 0 total; []
	Server brand: fml,forge
	Server type: Integrated singleplayer server
Stacktrace:
	at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:524)
	at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2655)
	at net.minecraft.client.renderer.chunk.ChunkRenderWorker.run(ChunkRenderWorker.java:57)
	at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 1.11.2
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_121, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 558963376 bytes (533 MB) / 1514668032 bytes (1444 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
	FML: MCP 9.38 Powered by Forge 13.20.0.2226 Optifine OptiFine_1.11.2_HD_U_B6 7 mods loaded, 7 mods active
	States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
	UCHIJAAAA	minecraft{1.11.2} [Minecraft] (minecraft.jar)
	UCHIJAAAA	mcp{9.19} [Minecraft Coder Pack] (minecraft.jar)
	UCHIJAAAA	FML{8.0.99.99} [Forge Mod Loader] (forge-1.11.2-13.20.0.2226.jar)
	UCHIJAAAA	forge{13.20.0.2226} [Minecraft Forge] (forge-1.11.2-13.20.0.2226.jar)
	UCHIJAAAA	reborncore{2.13.1.25} [RebornCore] (RebornCore-1.11.2-2.13.1.25-universal.jar)
	UCHIJAAAA	reborncore-mcmultipart{2.13.1.25} [reborncore-MCMultiPart] (RebornCore-1.11.2-2.13.1.25-universal.jar)
	UCHIJAAAA	techreborn{2.1.1.42} [TechReborn] (TechReborn-1.11.2-2.1.1.42-universal.jar)
	Loaded coremods (and transformers):
RebornCoreASM (RebornCore-1.11.2-2.13.1.25-universal.jar)
  reborncore.mixin.transformer.MixinTransformer
	GL info: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
	Launched Version: 1.11.2-forge1.11.2-13.20.0.2226
	LWJGL: 2.9.4
	OpenGL: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
	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: Definitely; Client brand changed to 'fml,forge'
	Type: Client (map_client.txt)
	Resource Packs: Faithful 1.11.2-rv3.zip
	Current Language: English (US)
	Profiler Position: N/A (disabled)
	CPU: 8x Intel(R) Core(TM) i7-6700K CPU @ 4.00GHz
	OptiFine Version: OptiFine_1.11.2_HD_U_B6
	Render Distance Chunks: 8
	Mipmaps: 4
	Anisotropic Filtering: 1
	Antialiasing: 0
	Multitexture: false
	Shaders: null
	OpenGlVersion: 4.5.0 NVIDIA 376.33
	OpenGlRenderer: GeForce GTX 970M/PCIe/SSE2
	OpenGlVendor: NVIDIA Corporation
	CpuCount: 8