---- Minecraft Crash Report ---- // This doesn't make any sense! Time: 20/02/13 21:52 Description: Failed to start game 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(Unknown Source) Caused by: java.lang.ClassNotFoundException: invtweaks.InvTweaksMod at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:185) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at cpw.mods.fml.common.ModClassLoader.loadClass(ModClassLoader.java:57) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:418) at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) 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(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) 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(Unknown Source) at java.lang.ClassLoader.defineClass(Unknown Source) at java.security.SecureClassLoader.defineClass(Unknown Source) at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:174) ... 31 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- System Details -- Details: Minecraft Version: 1.4.7 Operating System: Windows 7 (amd64) version 6.1 Java Version: 1.6.0_29, Sun Microsystems Inc. Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc. Memory: 208599016 bytes (198 MB) / 266272768 bytes (253 MB) up to 1601896448 bytes (1527 MB) JVM Flags: 5 total; -Xms256M -Xmx1536M -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 60 mods loaded, 60 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 BuildCraft|Core [BuildCraft] (buildcraft.jar) Unloaded->Constructed CoFHCore [CoFH Core] (CoFHCore.zip) 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 AdvancedMachines [IC2 Advanced Machines Addon] (advancedmachines.zip) Unloaded->Constructed AdvancedSolarPanel [Advanced Solar Panels] (advancedsolarpanel.zip) Unloaded->Constructed BuildCraft|Builders [BC Builders] (buildcraft.jar) Unloaded->Constructed BuildCraft|Energy [BC Energy] (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 EnderStorage [EnderStorage] (enderstorage.jar) Unloaded->Constructed ExtrabiomesXL [ExtrabiomesXL] (extrabiomes.jar) Unloaded->Constructed Forestry [Forestry for Minecraft] (forestry.jar) Unloaded->Constructed BinnieCore [Binnie Core] (extrabees.zip) Unloaded->Constructed ExtraBees [Extra Bees] (extrabees.zip) Unloaded->Constructed factorization [Factorization] (factorization.jar) Unloaded->Constructed GraviSuite [Gravitation Suite] (gravisuite.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 ThermalExpansion|Factory [Factory] (thermalexpansion.zip) Unloaded->Constructed ThermalExpansion|Energy [Energy] (thermalexpansion.zip) Unloaded->Constructed ThermalExpansion|Transport [Transport] (thermalexpansion.zip) Unloaded->Constructed TwilightForest [The Twilight Forest] (TwilightForest.zip) Unloaded->Constructed XyCraft [XyCraft] (xycraft.zip) Unloaded->Constructed GregTech_Addon [GregTech-Addon] (GregTech.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 MiscPeripherals [MiscPeripherals] (miscperipherals.jar) Unloaded->Constructed ModularForceFieldSystem [Modular ForceField System V2] (modularforcefieldsystem.zip) Unloaded->Constructed NEIPlugins [NEI Plugins] (neiplugins.jar) Unloaded->Constructed ObsidiPlates [Obsidian Pressure Plates] (obsidiplates.zip) Unloaded->Constructed TC [Traincraft] (traincraft.jar) Unloaded->Constructed drceph.petrogen [Petroleum Generator] (petrogen.zip) Unloaded->Constructed PortalGun [Portal Gun] (PortalGun.zip) Unloaded->Constructed mod_ReiMinimap [mod_ReiMinimap] (reiminimap.zip) Unloaded->Constructed SoulShards [SoulShards] (soulshards.zip) Unloaded->Constructed StevesCarts [Steve's Carts] (StevesCarts.zip) Unloaded->Constructed Thaumcraft [Thaumcraft] (Thaumcraft.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 LWJGL: 2.4.2 OpenGL: GeForce GT 530/PCIe/SSE2 GL version 4.3.0, NVIDIA Corporation Is Modded: Definitely; Client brand changed to 'forge,fml' Type: Client (map_client.txt) Texture Pack: Default Profiler Position: N/A (disabled) Vec3 Pool Size: ~~ERROR~~ NullPointerException: null