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MY RESEARCH IS WRONG AGAIN! MCA 1.8 has offically been causing this log for modded 1.8, I made sure this time, I crashed three times in the same spot, removed MCA individually and found the problem!

---- Minecraft Crash Report ----

WARNING: coremods are present:
MMFMLCorePlugin (MultiMine-1.8.jar)
PlayerAPIPlugin (PlayerAPI-1.8-1.4.jar)
ZSFMLLoadingPlugin (ZombieSunscreenCore.jar)
LoadingPlugin (HardcoreDarkness-1.4.jar)
ItemPatchingLoader (ItemPhysic Lite 1.1.3 mc1.8.jar)
DLFMLCorePlugin (DynamicLights-1.8.jar)
TMIForgeLoader (TooManyItems2015_02_14_1.8_Forge.jar)
SmartCorePlugin (SmartMoving-1.8-16.2.jar)
Contact their authors BEFORE contacting forge

// I feel sad now

Time: 8/19/15 7:03 PM
Description: Exception ticking world

java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextNode(Unknown Source)
at java.util.HashMap$KeyIterator.next(Unknown Source)
at com.google.common.collect.AbstractMapBasedMultimap$WrappedCollection$WrappedIterator.next(AbstractMapBasedMultimap.java:486)
at net.minecraft.util.ClassInheritanceMultiMap$2.computeNext(SourceFile:90)
at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
at net.minecraft.world.World.func_175650_b(World.java:3119)
at net.minecraft.world.chunk.Chunk.func_76631_c(Chunk.java:952)
at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:46)
at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:12)
at net.minecraftforge.common.util.AsynchronousExecutor.skipQueue(AsynchronousExecutor.java:344)
at net.minecraftforge.common.util.AsynchronousExecutor.getSkipQueue(AsynchronousExecutor.java:302)
at net.minecraftforge.common.chunkio.ChunkIOExecutor.syncChunkLoad(ChunkIOExecutor.java:12)
at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:117)
at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:92)
at net.minecraft.world.gen.ChunkProviderServer.func_73154_d(ChunkProviderServer.java:189)
at net.minecraft.world.World.func_72964_e(World.java:304)
at net.minecraft.world.World.func_175726_f(World.java:299)
at net.minecraft.world.World.func_175721_c(World.java:653)
at net.minecraft.world.World.func_175721_c(World.java:618)
at net.minecraft.world.World.func_175671_l(World.java:605)
at net.minecraft.block.BlockGrass.func_180650_b(BlockGrass.java:62)
at net.minecraft.block.Block.func_180645_a(Block.java:428)
at net.minecraft.world.WorldServer.func_147456_g(WorldServer.java:454)
at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:221)
at WorldServerOF.func_72835_b(WorldServerOF.java:37)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:692)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:598)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:258)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:478)
at java.lang.Thread.run(Unknown Source)


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

-- Head --
Stacktrace:
at java.util.HashMap$HashIterator.nextNode(Unknown Source)
at java.util.HashMap$KeyIterator.next(Unknown Source)
at com.google.common.collect.AbstractMapBasedMultimap$WrappedCollection$WrappedIterator.next(AbstractMapBasedMultimap.java:486)
at net.minecraft.util.ClassInheritanceMultiMap$2.computeNext(SourceFile:90)
at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
at net.minecraft.world.World.func_175650_b(World.java:3119)
at net.minecraft.world.chunk.Chunk.func_76631_c(Chunk.java:952)
at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:46)
at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:12)
at net.minecraftforge.common.util.AsynchronousExecutor.skipQueue(AsynchronousExecutor.java:344)
at net.minecraftforge.common.util.AsynchronousExecutor.getSkipQueue(AsynchronousExecutor.java:302)
at net.minecraftforge.common.chunkio.ChunkIOExecutor.syncChunkLoad(ChunkIOExecutor.java:12)
at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:117)
at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:92)
at net.minecraft.world.gen.ChunkProviderServer.func_73154_d(ChunkProviderServer.java:189)
at net.minecraft.world.World.func_72964_e(World.java:304)
at net.minecraft.world.World.func_175726_f(World.java:299)
at net.minecraft.world.World.func_175721_c(World.java:653)
at net.minecraft.world.World.func_175721_c(World.java:618)
at net.minecraft.world.World.func_175671_l(World.java:605)
at net.minecraft.block.BlockGrass.func_180650_b(BlockGrass.java:62)
at net.minecraft.block.Block.func_180645_a(Block.java:428)
at net.minecraft.world.WorldServer.func_147456_g(WorldServer.java:454)
at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:221)
at WorldServerOF.func_72835_b(WorldServerOF.java:37)

-- Affected level --
Details:
Level name: Crash Test 2
All players: 1 total; [EntityPlayerMP['J.C.'/1753, l='The Reel Deal 2', x=145.88, y=98.59, z=1832.65]]
Chunk stats: ServerChunkCache: 651 Drop: 0
Level seed: -3844053874185304316
Level generator: ID 00 - default, ver 1. Features enabled: true
Level generator options:
Level spawn location: 188.00,64.00,256.00 - World: (188,64,256), Chunk: (at 12,4,0 in 11,16; contains blocks 176,0,256 to 191,255,271), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 42564 game time, 42564 day time
Level dimension: 0
Level storage version: 0x04ABD - Anvil
Level weather: Rain time: 33270 (now: false), thunder time: 87541 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: true
Stacktrace:
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:692)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:598)
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:258)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:478)
at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
Minecraft Version: 1.8
Operating System: Windows 8.1 (amd64) version 6.3
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 608568440 bytes (580 MB) / 1448148992 bytes (1381 MB) up to 5355339776 bytes (5107 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx5G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
FML: MCP v9.10 FML v8.0.37.1334 Minecraft Forge 11.14.1.1334 Optifine OptiFine_1.8_HD_U_D5 56 mods loaded, 55 mods active
mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
FML{8.0.37.1334} [Forge Mod Loader] (forge-1.8-11.14.1.1334.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Forge{11.14.1.1334} [Minecraft Forge] (forge-1.8-11.14.1.1334.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
PlayerAPI{1.4} [Player API] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
SmartCore{1.2.1} [Smart Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
TooManyItems{1.8} [TooManyItems] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
itemphysic{1.1.2} [ItemPhysic] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DamageIndicatorsMod{3.3.3} [Damage Indicators] ([1.8]DamageIndicatorsMod-3.3.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
animalbikes{1.8} [Animal Bikes] (AnimalBikes_1.8.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
animalsplus{1.3} [Animals Plus] (animalsplus-1.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
assassincraft{1.5} [MineCreed] (assassincraft-MineCreed-1.5-MC-1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mymod{1.4.3} [Bash Cat's Weapon Arsenal] (BashArsenal1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
BattleTowers{1.5.5} [Battle Towers] (BattleTowers-1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
CustomSpawner{3.4.0} [DrZhark's CustomSpawner] (CustomMobSpawner 3.4.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
lootablebodies{1.3.5} [DrCyano's Lootable Bodies] (CyanosLootableBodies-1.3.5.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
wonderfulwands{1.7.2} [Wonderful Wands] (CyanosWonderfulWands_1.8-1.7.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
doggytalents{v1.9.1g} [Doggy Talents] (DoggyTalents-1.8-v1.9.1g-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MoCreatures{8.0.0.devA} [DrZhark's Mo'Creatures Mod] (DrZharks MoCreatures Mod-8.0.0.devA.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DynamicLights{1.3.9} [Dynamic Lights] (DynamicLights-1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DynamicLights_onFire{1.0.5} [Dynamic Lights Burning Entity Module] (DynamicLights-1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DynamicLights_creepers{1.0.4} [Dynamic Lights Creeper Module] (DynamicLights-1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DynamicLights_dropItems{1.0.8} [Dynamic Lights EntityItem Module] (DynamicLights-1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DynamicLights_entityClasses{1.0.1} [Dynamic Lights Entity Light Module] (DynamicLights-1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DynamicLights_mobEquipment{1.0.8} [Dynamic Lights Mob Equipment Light Module] (DynamicLights-1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DynamicLights_flameArrows{1.0.0} [Dynamic Lights Fiery Arrows Light Module] (DynamicLights-1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DynamicLights_floodLights{1.0.2} [Dynamic Lights Flood Light] (DynamicLights-1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DynamicLights_otherPlayers{1.0.7} [Dynamic Lights OtherPlayers Light Module] (DynamicLights-1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
DynamicLights_thePlayer{1.1.3} [Dynamic Lights Player Light Module] (DynamicLights-1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
LomLib{4.1.0} [LomLib] (LomLib-1.8-4.1.0-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ElementalCreepers{5.0.0} [Elemental Creepers] (Elemental Creepers-universal-1.8-5.0.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
HardcoreDarkness{1.4} [Hardcore Darkness] (HardcoreDarkness-1.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ism{7.0.4} [MaggiCraft's Instant Structures Mod] (ism-7.0.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
lom{1.8-0.1} [LotsOMobs] (lom-1.8-0.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
lucky{6.0.1} [Lucky Block] (LuckyBlock_1-8_v6-0-1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
RadixCore{2.0.3-1.8} [RadixCore] (RadixCore-2.0.3-1.8-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MCA{5.0.6.1-1.8} [Minecraft Comes Alive] (MCA-5.0.6.2-1.8-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MemoryCleaner{1.0} [Memory Cleaner] (MemoryCleaner-1.4-mc.1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
mineralogy{2.5.1} [Mineralogy] (mineralogy-2.5.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
MiniBosses{1.2.8} [Mini-Bosses] (MiniBosses-1.2.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
minions{1.9.8} [Minions] (Minions-1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
AS_MultiMine{1.4.9} [Multi Mine] (MultiMine-1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Paintball{1.8.0v2} [Paintball] (Paintball-1.8.0v2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
parachutemod{3.1.1} [Parachute Mod] (parachutemod-1.8.0-3.1.2-96.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
PigManure{1.0.1} [Pig Manure] (pig-manure-1.0.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
corerm{1.2c} [RikMuld's Core] (RikMuldsCore_1.2c.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Roguelike{1.3.6} [Roguelike Dungeons] (RoguelikeDungeons-1.8-1.3.6.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
AS_Ruins{15.2} [Ruins Spawning System] (Ruins-1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
Scenter{1.8-3.3.0} [Scenter] (scenter-1.8-3.3.0.jar.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
shipwrecks{1.7.0} [Shipwrecks!] (shipwrecks-1.8.0-1.7.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
SmartMoving{16.2} [Smart Moving] (SmartMoving-1.8-16.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
SmartRender{2.1} [Smart Render] (SmartRender-1.8-2.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
camping{2.2e} [The Camping Mod 2] (TheCampingMod_2.2e.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
worldtools{1.3.1} [World Tools] (WorldTools_1.8_1.3.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ZombieInfection{2.3.0} [Zombie Infection] (Zombie Infection-1.8-2.3.0.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ZombieSunscreen{2.0} [Zombie Sunscreen] (ZombieSunscreen.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
ZombieSunscreenCore{2.0} [ZombieSunscreenCore] (minecraft.jar) Unloaded->Disabled
Loaded coremods (and transformers):
MMFMLCorePlugin (MultiMine-1.8.jar)
atomicstryker.multimine.common.fmlmagic.MMTransformer
PlayerAPIPlugin (PlayerAPI-1.8-1.4.jar)
api.player.forge.PlayerAPITransformer
ZSFMLLoadingPlugin (ZombieSunscreenCore.jar)
com.lasa.zombiesunscreen.core.ZSClassTransformer
LoadingPlugin (HardcoreDarkness-1.4.jar)
lumien.hardcoredarkness.asm.ClassTransformer
ItemPatchingLoader (ItemPhysic Lite 1.1.3 mc1.8.jar)
com.creativemd.itemphysic.ItemTransformer
DLFMLCorePlugin (DynamicLights-1.8.jar)
atomicstryker.dynamiclights.common.DLTransformer
TMIForgeLoader (TooManyItems2015_02_14_1.8_Forge.jar)
TMIForgeTransformer
SmartCorePlugin (SmartMoving-1.8-16.2.jar)
net.smart.core.SmartCoreTransformer
Profiler Position: N/A (disabled)
Player Count: 1 / 8; [EntityPlayerMP['J.C.'/1753, l='The Reel Deal 2', x=145.88, y=98.59, z=1832.65]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'

BEWARE: MCA 1.8