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I'm fairly sure it's one of the mods but i'm not sure which one.

---- Minecraft Crash Report ----
// Oops.

Time: 7/25/14 2:20 AM
Description: Unexpected error

java.lang.NullPointerException: Unexpected error
at me.dawars.mythril.CommonHandler.onPlayerAttacked(CommonHandler.java:42)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_70_CommonHandler_onPlayerAttacked_AttackEntityEvent.invoke(.dynamic)
at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:51)
at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:122)
at net.minecraft.entity.player.EntityPlayer.func_71059_n(EntityPlayer.java:1185)
at net.minecraft.client.multiplayer.PlayerControllerMP.func_78764_a(PlayerControllerMP.java:406)
at net.minecraft.client.Minecraft.func_147116_af(Minecraft.java:1381)
at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1936)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:961)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:887)
at net.minecraft.client.main.Main.main(SourceFile:148)
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:134)
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 me.dawars.mythril.CommonHandler.onPlayerAttacked(CommonHandler.java:42)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_70_CommonHandler_onPlayerAttacked_AttackEntityEvent.invoke(.dynamic)
at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:51)
at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:122)
at net.minecraft.entity.player.EntityPlayer.func_71059_n(EntityPlayer.java:1185)
at net.minecraft.client.multiplayer.PlayerControllerMP.func_78764_a(PlayerControllerMP.java:406)
at net.minecraft.client.Minecraft.func_147116_af(Minecraft.java:1381)

-- Affected level --
Details:
Level name: MpServer
All players: 5 total; [EntityClientPlayerMP['HinataHajime'/2973270, l='MpServer', x=83.77, y=69.62, z=-47.36], EntityOtherPlayerMP['xtr711'/2940531, l='MpServer', x=83.53, y=68.00, z=-48.09], EntityOtherPlayerMP['c3rasis'/2972860, l='MpServer', x=81.22, y=68.00, z=-6.72], EntityOtherPlayerMP['bigdaddy_2002'/2970389, l='MpServer', x=41.81, y=73.00, z=-44.34], EntityOtherPlayerMP['HeroCorgan'/2525197, l='MpServer', x=29.53, y=73.00, z=-2.78]]
Chunk stats: MultiplayerChunkCache: 60, 60
Level seed: 0
Level generator: ID 01 - flat, ver 0. Features enabled: false
Level generator options:
Level spawn location: World: (40,4,104), Chunk: (at 8,0,8 in 2,6; contains blocks 32,0,96 to 47,255,111), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 9390546 game time, 9402834 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: adventure (ID 2). Hardcore: false. Cheats: false
Forced entities: 22 total; [EntityItemFrame['entity.ItemFrame.name'/821, l='MpServer', x=79.50, y=71.50, z=-34.06], EntityItemFrame['entity.ItemFrame.name'/820, l='MpServer', x=81.50, y=71.50, z=-34.06], EntityVillager['§e§eDetective §bDave'/822, l='MpServer', x=68.50, y=68.00, z=-44.50], EntityOtherPlayerMP['HeroCorgan'/2525197, l='MpServer', x=29.53, y=73.00, z=-2.78], EntityItemFrame['entity.ItemFrame.name'/817, l='MpServer', x=87.94, y=71.50, z=-46.50], EntityClientPlayerMP['HinataHajime'/2973270, l='MpServer', x=83.77, y=69.62, z=-47.36], EntityItemFrame['entity.ItemFrame.name'/66, l='MpServer', x=81.50, y=71.50, z=-9.94], EntityItemFrame['entity.ItemFrame.name'/819, l='MpServer', x=87.94, y=71.50, z=-40.50], EntityItemFrame['entity.ItemFrame.name'/818, l='MpServer', x=87.94, y=71.50, z=-42.50], EntityVillager['§e§eSplegger §bSteve'/79, l='MpServer', x=68.50, y=68.00, z=0.50], EntityOtherPlayerMP['c3rasis'/2972860, l='MpServer', x=81.22, y=68.00, z=-6.72], EntityOtherPlayerMP['xtr711'/2940531, l='MpServer', x=83.53, y=68.00, z=-48.09], EntityOtherPlayerMP['xtr711'/2940531, l='MpServer', x=83.53, y=68.00, z=-48.09], EntityOtherPlayerMP['c3rasis'/2972860, l='MpServer', x=81.22, y=68.00, z=-6.72], EntityItemFrame['entity.ItemFrame.name'/64281, l='MpServer', x=81.50, y=71.50, z=-54.94], EntityItemFrame['entity.ItemFrame.name'/64282, l='MpServer', x=87.94, y=71.50, z=-48.50], EntityOtherPlayerMP['HeroCorgan'/2525197, l='MpServer', x=29.53, y=73.00, z=-2.78], EntityItemFrame['entity.ItemFrame.name'/54, l='MpServer', x=79.50, y=71.50, z=-9.94], EntityOtherPlayerMP['bigdaddy_2002'/2970389, l='MpServer', x=41.81, y=73.00, z=-44.34], EntityDragon['§6Welcome back, §eHinataHajime'/2973279, l='MpServer', x=68.00, y=-231.98, z=-39.00], EntityItemFrame['entity.ItemFrame.name'/814, l='MpServer', x=79.50, y=71.50, z=-54.94], EntityOtherPlayerMP['bigdaddy_2002'/2970389, l='MpServer', x=41.81, y=73.00, z=-44.34]]
Retry entities: 0 total; []
Server brand: CraftBukkit
Server type: Non-integrated multiplayer server
Stacktrace:
at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:373)
at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2432)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:916)
at net.minecraft.client.main.Main.main(SourceFile:148)
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:134)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows 8 (x86) version 6.2
Java Version: 1.7.0_45, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
Memory: 156911512 bytes (149 MB) / 341086208 bytes (325 MB) up to 518979584 bytes (494 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v9.05 FML v7.10.11.1179 Minecraft Forge 10.13.0.1179 Optifine OptiFine_1.7.10_HD_U_A4 33 mods loaded, 33 mods active
mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
FML{7.10.11.1179} [Forge Mod Loader] (forge-1.7.10-10.13.0.1179.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Forge{10.13.0.1179} [Minecraft Forge] (forge-1.7.10-10.13.0.1179.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
CodeChickenCore{1.0.2.11} [CodeChicken Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
NotEnoughItems{1.0.2.31} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.2.31-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
OpenEye{0.6} [OpenEye] (OpenEye-0.6-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
bspkrsCore{6.12} [bspkrsCore] ([1.7.10]bspkrsCore-universal-6.12.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
ArmorStatusHUD{1.27} [ArmorStatusHUD] (ArmorStatusHUD-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Backpack{2.0.0} [Backpack] (Backpacks-Mod.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BiblioCraft{1.7.4} [BiblioCraft] (BiblioCraft[v1.7.4][MC1.7.10].jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
BiomesOPlenty{2.0.2} [Biomes O' Plenty] (BiomesOPlenty-1.7.10-2.0.2.897-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
chisel{1.5.5} [Chisel] (Chisel-1.7.2-1.5.5.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
clearingblock{0.3} [ClearingBlock Mod] (Clearing-Block-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
DamageIndicatorsMod{3.2.0} [Damage Indicators] (Damage-Indicators-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
extendedWorkbench{1.2.0.4} [Extended Workbench] (Extended-Workbench-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
FinderCompass{1.7.10} [Finder Compass] (Finder-Compass-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
IMSM{100.0.2} [IMSM] (Instant-Massive-Structures-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
IronChest{6.0.41.729} [Iron Chest] (ironchest-1.7.10-6.0.41.729-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MetallurgyCore{4.0.1} [Metallurgy Core] (MetallurgyCore-1.7.2-4.0.2.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Metallurgy{4.0.1} [Metallurgy 4] (Metallurgy-1.7.2-4.0.2.8.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
battlegear2{1.0.5.6} [Mine & Blade Battlegear 2 - Bullseye] (Mine-Blade-Battlegear-2-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MineMenu{1.0.4} [MineMenu] (MineMenu-1.7.2-1.0.4.12-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
mythril{1.6} [Mythril mod] (Mithril-mod-by-dawars-1.7.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MoarFood{V5.0.0} [MoarFood] (MoarFood-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
MoreFurnaces{1.3.9} [More Furnaces] (More-Furnaces-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
cfm{3.3.2} [§6MrCrayfish's Furniture Mod] (MrCrayfishs-Furniture-Mod-1.7.2.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
progressiveautomation{1.3.0} [Progressive Automation] (Progressive-Automation-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
SoMuchArmor{Alpha 2.1} [So Much Armor] (So Much Armor Mod-1.7.10-2.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
SpecialArmor{1.7.10} [TeeLuk's SpecialArmor] (TLSpecialArmor-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
warpbook{1.1.42} [Warp Book] (Warp-Book-Mod-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Xenorite{1.7.10-1.7.1} [Xenorite Mod] (Xenorite-V1.7.1 - MC1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
YAFM{1.0.3} [Yet Another Food Mod] (yafm-1.0.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
YALSM{2.1.3} [Yet Another Leather Smelting Mod] (yalsm-2.1.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available
Launched Version: 1.7.10-Forge10.13.0.1179
LWJGL: 2.9.1
OpenGL: Intel(R) HD Graphics GL version 4.0.0 - Build 9.17.10.3040, Intel
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

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)
Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Anisotropic Filtering: Off (1)