---- Minecraft Crash Report ----
// Ooh. Shiny.

Time: 6/15/16 1:58 PM
Description: Unexpected error

java.util.ConcurrentModificationException
    at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429)
    at java.util.HashMap$ValueIterator.next(HashMap.java:1458)
    at dan200.computercraft.shared.computer.core.ClientComputerRegistry.update(ClientComputerRegistry.java:17)
    at dan200.computercraft.shared.proxy.ComputerCraftProxyCommon$ForgeHandlers.onClientTick(ComputerCraftProxyCommon.java:639)
    at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_12_ForgeHandlers_onClientTick_ClientTickEvent.invoke(.dynamic)
    at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:55)
    at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:140)
    at net.minecraftforge.fml.common.FMLCommonHandler.onPreClientTick(FMLCommonHandler.java:366)
    at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1617)
    at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1028)
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:345)
    at net.minecraft.client.main.Main.main(SourceFile:120)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:483)
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:28)


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

-- Head --
Stacktrace:
    at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429)
    at java.util.HashMap$ValueIterator.next(HashMap.java:1458)
    at dan200.computercraft.shared.computer.core.ClientComputerRegistry.update(ClientComputerRegistry.java:17)
    at dan200.computercraft.shared.proxy.ComputerCraftProxyCommon$ForgeHandlers.onClientTick(ComputerCraftProxyCommon.java:639)
    at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_12_ForgeHandlers_onClientTick_ClientTickEvent.invoke(.dynamic)
    at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:55)
    at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:140)
    at net.minecraftforge.fml.common.FMLCommonHandler.onPreClientTick(FMLCommonHandler.java:366)

-- Affected level --
Details:
    Level name: MpServer
    All players: 1 total; [EntityPlayerSP['notajoke'/5, l='MpServer', x=795.01, y=26.50, z=795.90]]
    Chunk stats: MultiplayerChunkCache: 225, 225
    Level seed: 0
    Level generator: ID 01 - flat, ver 0. Features enabled: false
    Level generator options:
    Level spawn location: 873.00,4.00,219.00 - World: (873,4,219), Chunk: (at 9,0,11 in 54,13; contains blocks 864,0,208 to 879,255,223), Region: (1,0; contains chunks 32,0 to 63,31, blocks 512,0,0 to 1023,255,511)
    Level time: 902499 game time, 1000 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: 24 total; [EntityPlayerSP['notajoke'/5, l='MpServer', x=795.01, y=26.50, z=795.90], EntityPig['Pig'/15255419, l='MpServer', x=841.09, y=27.00, z=828.97], EntityPig['Pig'/15255420, l='MpServer', x=844.88, y=27.00, z=810.59], EntityPig['Pig'/3726100, l='MpServer', x=716.81, y=27.00, z=757.72], EntityPig['Pig'/3755150, l='MpServer', x=843.78, y=27.00, z=803.31], EntityChicken['Chicken'/3718522, l='MpServer', x=729.38, y=27.00, z=731.41], EntityChicken['Chicken'/3718523, l='MpServer', x=728.50, y=27.00, z=732.50], EntityBat['Bat'/19354464, l='MpServer', x=823.63, y=32.50, z=811.66], EntitySheep['Sheep'/3726449, l='MpServer', x=719.97, y=27.00, z=727.09], EntityPig['Pig'/3755891, l='MpServer', x=750.75, y=27.00, z=800.47], EntitySheep['Sheep'/3726451, l='MpServer', x=717.81, y=27.00, z=725.06], EntityPig['Pig'/3673972, l='MpServer', x=752.91, y=27.00, z=783.97], EntityCow['Cow'/3630459, l='MpServer', x=853.13, y=27.00, z=723.13], EntityBat['Bat'/18912626, l='MpServer', x=791.03, y=27.10, z=810.28], EntityPig['Pig'/15254716, l='MpServer', x=850.75, y=27.00, z=825.63], EntityBat['Bat'/19362033, l='MpServer', x=826.31, y=31.06, z=875.44], EntityBat['Bat'/19065797, l='MpServer', x=804.25, y=27.09, z=803.25], EntityChicken['Chicken'/3718098, l='MpServer', x=726.91, y=27.00, z=737.13], EntitySheep['Sheep'/3718099, l='MpServer', x=720.78, y=27.00, z=741.78], EntityChicken['Chicken'/3666247, l='MpServer', x=727.66, y=27.00, z=737.47], EntityCow['Cow'/3628228, l='MpServer', x=839.09, y=27.00, z=739.84], EntityCow['Cow'/3628227, l='MpServer', x=845.78, y=27.00, z=723.59], EntityCow['Cow'/3607233, l='MpServer', x=856.81, y=27.00, z=741.16], EntityBat['Bat'/19347536, l='MpServer', x=803.14, y=38.04, z=857.98]]
    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:351)
    at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2502)
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:374)
    at net.minecraft.client.main.Main.main(SourceFile:120)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:483)
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
    Minecraft Version: 1.8
    Operating System: Windows 8.1 (amd64) version 6.3
    Java Version: 1.8.0_25, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 155105440 bytes (147 MB) / 606535680 bytes (578 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
    FML: MCP v9.10 FML v8.0.99.99 Minecraft Forge 11.14.4.1577 5 mods loaded, 5 mods active
    States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
    UCHIJAAAA    mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
    UCHIJAAAA    FML{8.0.99.99} [Forge Mod Loader] (forge-1.8-11.14.4.1577.jar)
    UCHIJAAAA    Forge{11.14.4.1577} [Minecraft Forge] (forge-1.8-11.14.4.1577.jar)
    UCHIJAAAA    ComputerCraft{1.76} [ComputerCraft] (ComputerCraft1.76.jar)
    UCHIJAAAA    worldedit{6.1} [WorldEdit] (worldedit-forge-mc1.8-6.1.jar)
    Loaded coremods (and transformers):
    GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.5.0 NVIDIA 364.72' Renderer: 'GeForce GT 635M/PCIe/SSE2'
    Launched Version: 1.8-forge1.8-11.14.4.1577
    LWJGL: 2.9.1
    OpenGL: GeForce GT 635M/PCIe/SSE2 GL version 4.5.0 NVIDIA 364.72, 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: No
    Is Modded: Definitely; Client brand changed to 'fml,forge'
    Type: Client (map_client.txt)
    Resource Packs: []
    Current Language: English (US)
    Profiler Position: N/A (disabled)