Minecraft crash

  Minecraft has crashed!
      ----------------------

Minecraft has stopped running because it encountered a problem; Failed to start game

A full error report has been saved to /Users/Tyler/ModCraft/Direwolf20/minecraft/crash-reports/crash-2013-03-12_15.39.03-client.txt - Please include a copy of that file (Not this screen!) if you report this crash to anyone; without it, they will not be able to help fix the crash :(



--- BEGIN ERROR REPORT 581d271f --------
Full report at:
/Users/Tyler/ModCraft/Direwolf20/minecraft/crash-reports/crash-2013-03-12_15.39.03-client.txt
Please show that file to Mojang, NOT just this screen!

Generated 3/12/13 3:39 PM

-- System Details --
Details:
	Minecraft Version: 1.4.7
	Operating System: Mac OS X (x86_64) version 10.6.8
	Java Version: 1.6.0_41, Apple Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
	Memory: 195031032 bytes (185 MB) / 266272768 bytes (253 MB) up to 1069416448 bytes (1019 MB)
	JVM Flags: 5 total; -Xms256M -Xmx1024M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:+AggressiveOpts
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Suspicious classes: FML and Forge are installed
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	FML: MCP v7.26a FML v4.7.32.553 Minecraft Forge 6.6.1.524 Feed The Beast Mod Pack 63 mods loaded, 63 mods active
	mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed
	FML [Forge Mod Loader] (coremods) Unloaded->Constructed
	Forge [Minecraft Forge] (coremods) Unloaded->Constructed
	CodeChickenCore [CodeChicken Core] (coremods) Unloaded->Constructed
	NotEnoughItems [Not Enough Items] (coremods) Unloaded->Constructed
	CoFHCore [CoFH Core] (CoFHCore.zip) Unloaded->Constructed
	BuildCraft|Core [BuildCraft] (buildcraft.jar) Unloaded->Constructed
	ComputerCraft [ComputerCraft] (computercraft.zip) Unloaded->Constructed
	CCTurtle [ComputerCraft Turtles] (computercraft.zip) Unloaded->Constructed
	ThermalExpansion [Thermal Expansion] (thermalexpansion.zip) Unloaded->Constructed
	OmniTools [OmniTools] (omnitools.zip) Unloaded->Constructed
	IC2 [IndustrialCraft 2] (IC2.jar) Unloaded->Constructed
	ChargePads [Charge Pads] (ChargePads.zip) Unloaded->Constructed
	GraviGun [GraviGun] (GraviGun.zip) Unloaded->Constructed
	IC2NuclearControl [Nuclear Control] (IC2NuclearControl.zip) Unloaded->Constructed
	inventorytweaks_forge [Inventory Tweaks (Forge)] (InvTweaks.jar) Unloaded->Errored
	IronChest [Iron Chest] (IronChest.zip) Unloaded->Constructed
	mmmPowersuits [MachineMuse's Modular Powersuits] (ModularPowersuits.jar) Unloaded->Constructed
	PortalGun [Portal Gun] (PortalGun.zip) Unloaded->Constructed
	StevesCarts [Steve's Carts] (StevesCarts.zip) Unloaded->Constructed
	BuildCraft|Energy [BC Energy] (buildcraft.jar) Unloaded->Constructed
	ExtrabiomesXL [ExtrabiomesXL] (extrabiomes.jar) Unloaded->Constructed
	Forestry [Forestry for Minecraft] (forestry.jar) Unloaded->Constructed
	Thaumcraft [Thaumcraft] (Thaumcraft.zip) Unloaded->Constructed
	BinnieCore [Binnie Core] (extrabees.zip) Unloaded->Constructed
	ExtraBees [Extra Bees] (extrabees.zip) Unloaded->Constructed
	ThaumicBees [ThaumicBees] (ThaumicBees.jar) Unloaded->Constructed
	TwilightForest [The Twilight Forest] (TwilightForest.zip) Unloaded->Constructed
	XReliquary [Xeno's Reliquary] (XReliquary.jar) Unloaded->Constructed
	BuildCraft|Builders [BC Builders] (buildcraft.jar) Unloaded->Constructed
	BuildCraft|Factory [BC Factory] (buildcraft.jar) Unloaded->Constructed
	BuildCraft|Transport [BC Transport] (buildcraft.jar) Unloaded->Constructed
	BuildCraft|Silicon [BC Silicon] (buildcraft.jar) Unloaded->Constructed
	ChickenChunks [ChickenChunks] (chickenchunks.jar) Unloaded->Constructed
	CompactSolars [Compact Solar Arrays] (compactsolars.zip) Unloaded->Constructed
	EE3 [Equivalent Exchange 3] (ee3.jar) Unloaded->Constructed
	EnderStorage [EnderStorage] (enderstorage.jar) Unloaded->Constructed
	factorization [Factorization] (factorization.jar) Unloaded->Constructed
	GraviSuite [Gravitation Suite] (gravisuite.zip) Unloaded->Constructed
	MiscPeripherals [MiscPeripherals] (miscperipherals.jar) Unloaded->Constructed
	ModularForceFieldSystem [Modular ForceField System V2] (modularforcefieldsystem.zip) Unloaded->Constructed
	Mystcraft [Mystcraft] (mystcraft.zip) Unloaded->Constructed
	NEIPlugins [NEI Plugins] (neiplugins.jar) Unloaded->Constructed
	ObsidiPlates [Obsidian Pressure Plates] (obsidiplates.zip) Unloaded->Constructed
	Railcraft [Railcraft] (railcraft.jar) Unloaded->Constructed
	RedPowerCore [RedPower] (redpowercore.zip) Unloaded->Constructed
	RedPowerBase [RP Base] (redpowercore.zip) Unloaded->Constructed
	RedPowerMachine [RP Machine] (redpowermechanical.zip) Unloaded->Constructed
	RedPowerCompat [RP Compat] (redpowercompat.zip) Unloaded->Constructed
	RedPowerWiring [RP Wiring] (redpowerdigital.zip) Unloaded->Constructed
	RedPowerLogic [RP Logic] (redpowerdigital.zip) Unloaded->Constructed
	RedPowerLighting [RP Lighting] (redpowerdigital.zip) Unloaded->Constructed
	RedPowerWorld [RP World] (redpowermechanical.zip) Unloaded->Constructed
	RedPowerControl [RP Control] (redpowermechanical.zip) Unloaded->Constructed
	mod_ReiMinimap [mod_ReiMinimap] (reiminimap.zip) Unloaded->Constructed
	SoulShards [SoulShards] (soulshards.zip) Unloaded->Constructed
	ThermalExpansion|Factory [Factory] (thermalexpansion.zip) Unloaded->Constructed
	ThermalExpansion|Energy [Energy] (thermalexpansion.zip) Unloaded->Constructed
	ThermalExpansion|Transport [Transport] (thermalexpansion.zip) Unloaded->Constructed
	WR-CBE|Core [WR-CBE Core] (wirelessredstonecore.jar) Unloaded->Constructed
	WR-CBE|Addons [WR-CBE Addons] (wirelessredstoneaddons.jar) Unloaded->Constructed
	WR-CBE|RedPower [WR-CBE RedPower] (wirelessredstoneredpower.jar) Unloaded->Constructed
	XyCraft [XyCraft] (xycraft.zip) Unloaded->Constructed
	LWJGL: 2.4.2
	OpenGL: NVIDIA GeForce 9400 OpenGL Engine GL version 2.1 NVIDIA-1.6.36, NVIDIA Corporation
	Is Modded: Definitely; Client brand changed to 'forge,fml'
	Type: Client (map_client.txt)
	Texture Pack: 1361925393.1338
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null

cpw.mods.fml.common.LoaderException: java.lang.ClassNotFoundException: invtweaks.InvTweaksMod
	at cpw.mods.fml.common.LoadController.transition(LoadController.java:130)
	at cpw.mods.fml.common.Loader.loadMods(Loader.java:504)
	at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:161)
	at net.minecraft.client.Minecraft.a(Minecraft.java:410)
	at asq.a(SourceFile:56)
	at net.minecraft.client.Minecraft.run(Minecraft.java:744)
	at java.lang.Thread.run(Thread.java:680)
Caused by: java.lang.ClassNotFoundException: invtweaks.InvTweaksMod
	at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:185)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
	at cpw.mods.fml.common.ModClassLoader.loadClass(ModClassLoader.java:57)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:249)
	at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:418)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69)
	at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
	at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
	at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
	at com.google.common.eventbus.EventBus.post(EventBus.java:268)
	at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:153)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:69)
	at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
	at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
	at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
	at com.google.common.eventbus.EventBus.post(EventBus.java:268)
	at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:86)
	at cpw.mods.fml.common.Loader.loadMods(Loader.java:494)
	... 5 more
Caused by: java.lang.UnsupportedClassVersionError: invtweaks/InvTweaksMod : Unsupported major.minor version 51.0
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
	at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:174)
	... 32 more
--- END ERROR REPORT f6efff40 ----------