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---- Minecraft Crash Report ----
// Don't be sad. I'll do better next time, I promise!

Time: 3/5/15 4:17 AM
Description: Unexpected error

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 net.minecraft.client.audio.SoundManager.func_148605_d(SoundManager.java:239)
at net.minecraft.client.audio.SoundHandler.func_73660_a(SourceFile:195)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:2094)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1022)
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(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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 com.google.common.collect.HashBiMap$Itr.checkForConcurrentModification(HashBiMap.java:339)
at com.google.common.collect.HashBiMap$Itr.hasNext(HashBiMap.java:345)
at net.minecraft.client.audio.SoundManager.func_148605_d(SoundManager.java:239)
at net.minecraft.client.audio.SoundHandler.func_73660_a(SourceFile:195)

-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [EntityPlayerSP['RepoDraghon'/1604335, l='MpServer', x=-2515.46, y=21.00, z=-2645.57]]
Chunk stats: MultiplayerChunkCache: 441, 441
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: 151.00,64.00,261.00 - World: (151,64,261), Chunk: (at 7,4,5 in 9,16; contains blocks 144,0,256 to 159,255,271), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 83458470 game time, 14638650 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: survival (ID 0). Hardcore: false. Cheats: false
Forced entities: 45 total; [EntityPlayerSP['RepoDraghon'/1604335, l='MpServer', x=-2515.46, y=21.00, z=-2645.57], EntityZombie['Zombie'/1604382, l='MpServer', x=-2473.50, y=41.00, z=-2618.50], EntitySpider['Spider'/1604368, l='MpServer', x=-2538.50, y=64.00, z=-2693.50], EntityCreeper['Creeper'/1604369, l='MpServer', x=-2541.50, y=64.00, z=-2693.50], EntitySpider['Spider'/1604370, l='MpServer', x=-2535.50, y=64.00, z=-2693.50], EntityZombie['Zombie'/1604371, l='MpServer', x=-2474.50, y=91.00, z=-2657.50], EntitySpider['Spider'/1604373, l='MpServer', x=-2547.50, y=25.00, z=-2604.50], EntitySkeleton['Skeleton'/1604374, l='MpServer', x=-2558.50, y=63.00, z=-2601.50], EntitySpider['Spider'/1604360, l='MpServer', x=-2552.69, y=63.00, z=-2684.84], EntitySkeleton['Skeleton'/1604361, l='MpServer', x=-2480.50, y=51.00, z=-2673.50], EntityCreeper['Creeper'/1604362, l='MpServer', x=-2491.50, y=69.00, z=-2680.50], EntityRabbit['Rabbit'/1604363, l='MpServer', x=-2525.50, y=72.00, z=-2605.50], EntityRabbit['Rabbit'/1604364, l='MpServer', x=-2529.34, y=71.00, z=-2603.69], EntitySkeleton['Skeleton'/1604367, l='MpServer', x=-2541.50, y=53.00, z=-2692.50], EntityBat['Bat'/1604352, l='MpServer', x=-2487.19, y=11.10, z=-2646.75], EntityItem['item.item.arrow'/1605888, l='MpServer', x=-2517.62, y=22.12, z=-2645.94], EntityRabbit['Rabbit'/1604353, l='MpServer', x=-2531.88, y=65.00, z=-2619.88], EntitySkeleton['Skeleton'/1604354, l='MpServer', x=-2534.50, y=26.00, z=-2685.50], EntityItem['item.item.egg'/1604355, l='MpServer', x=-2538.72, y=62.00, z=-2674.22], EntityChicken['Chicken'/1604356, l='MpServer', x=-2537.47, y=63.00, z=-2687.31], EntityChicken['Chicken'/1604357, l='MpServer', x=-2539.22, y=62.69, z=-2673.88], EntityPig['Pig'/1604358, l='MpServer', x=-2534.19, y=63.00, z=-2680.91], EntityBat['Bat'/1604359, l='MpServer', x=-2496.25, y=28.10, z=-2623.38], EntityItemFrame['entity.ItemFrame.name'/1604344, l='MpServer', x=-2510.03, y=16.50, z=-2641.50], EntityItemFrame['entity.ItemFrame.name'/1604345, l='MpServer', x=-2510.03, y=16.50, z=-2640.50], EntityChicken['Chicken'/1604346, l='MpServer', x=-2537.47, y=62.56, z=-2656.56], EntityItem['item.item.egg'/1604347, l='MpServer', x=-2538.28, y=61.00, z=-2657.63], EntityItemFrame['entity.ItemFrame.name'/1604348, l='MpServer', x=-2510.03, y=16.50, z=-2638.50], EntityItemFrame['entity.ItemFrame.name'/1604349, l='MpServer', x=-2510.03, y=16.50, z=-2639.50], EntityItemFrame['entity.ItemFrame.name'/1604350, l='MpServer', x=-2510.03, y=16.50, z=-2637.50], EntityItemFrame['entity.ItemFrame.name'/1604351, l='MpServer', x=-2510.03, y=16.50, z=-2636.50], EntityItem['item.item.arrow'/1604336, l='MpServer', x=-2513.22, y=20.00, z=-2648.88], EntityItem['item.item.bone'/1604337, l='MpServer', x=-2515.25, y=20.00, z=-2642.13], EntitySkeleton['Skeleton'/1604338, l='MpServer', x=-2517.72, y=22.00, z=-2645.31], EntitySkeleton['Skeleton'/1604339, l='MpServer', x=-2517.72, y=22.00, z=-2645.72], EntityCow['Cow'/1604340, l='MpServer', x=-2513.74, y=79.00, z=-2645.68], EntityCreeper['Creeper'/1604341, l='MpServer', x=-2540.09, y=27.00, z=-2652.47], EntitySkeleton['Skeleton'/1604342, l='MpServer', x=-2515.50, y=44.00, z=-2669.50], EntityBat['Bat'/1604343, l='MpServer', x=-2522.15, y=44.33, z=-2657.41], EntitySkeleton['Skeleton'/1605866, l='MpServer', x=-2524.34, y=29.00, z=-2645.16], EntitySkeleton['Skeleton'/1605867, l='MpServer', x=-2517.72, y=22.36, z=-2645.72], EntitySkeleton['Skeleton'/1605868, l='MpServer', x=-2517.72, y=22.00, z=-2645.31], EntitySkeleton['Skeleton'/1605869, l='MpServer', x=-2517.72, y=22.00, z=-2645.31], EntitySkeleton['Skeleton'/1604387, l='MpServer', x=-2560.50, y=63.00, z=-2600.50], EntityZombie['Zombie'/1604388, l='MpServer', x=-2475.50, y=82.00, z=-2692.50]]
Retry entities: 0 total; []
Server brand: Spigot
Server type: Non-integrated multiplayer server
Stacktrace:
at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:399)
at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2489)
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(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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 7 (amd64) version 6.1
Java Version: 1.8.0_31, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 310570432 bytes (296 MB) / 1615331328 bytes (1540 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: 13, tallocated: 95
FML: MCP v9.10 FML v8.0.26.1299 Minecraft Forge 11.14.0.1299 Optifine OptiFine_1.8_HD_U_D1 8 mods loaded, 8 mods active
mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
FML{8.0.26.1299} [Forge Mod Loader] (forge-1.8-11.14.0.1299.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Forge{11.14.0.1299} [Minecraft Forge] (forge-1.8-11.14.0.1299.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
CodeChickenCore{1.0.5.34} [CodeChicken Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
NotEnoughItems{1.0.5.82} [Not Enough Items] (NotEnoughItems-1.8-1.0.5.82-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
DamageIndicatorsMod{3.3.3} [Damage Indicators] ([1.8]DamageIndicatorsMod-3.3.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Waila{1.6.0_B1} [Waila] (Waila-1.6.0_B1_1.8.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
zyinhud{1.4.0} [Zyin's HUD] (ZyinsHUD-(1.8)-v.1.4.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Launched Version: 1.8
LWJGL: 2.9.1
OpenGL: GeForce GTX 750 Ti/PCIe/SSE2 GL version 4.5.0 NVIDIA 347.52, 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: [ChromaHills-128x1.8_v.11.zip]
Current Language: English (US)
Profiler Position: N/A (disabled)