Crash Report.

2014-01-14 14:38:01 [INFO] [STDOUT] ---- Minecraft Crash Report ----
2014-01-14 14:38:01 [INFO] [STDOUT] // Hi. I'm Minecraft, and I'm a crashaholic.
2014-01-14 14:38:01 [INFO] [STDOUT]
2014-01-14 14:38:01 [INFO] [STDOUT] Time: 1/14/14 2:38 PM
2014-01-14 14:38:01 [INFO] [STDOUT] Description: There was a severe problem during mod loading that has caused the game to fail
2014-01-14 14:38:01 [INFO] [STDOUT]
2014-01-14 14:38:01 [INFO] [STDOUT] cpw.mods.fml.common.LoaderException: java.lang.NoClassDefFoundError: biomesoplenty/world/WorldProviderPromised
2014-01-14 14:38:01 [INFO] [STDOUT] at cpw.mods.fml.common.LoadController.transition(LoadController.java:156)
2014-01-14 14:38:01 [INFO] [STDOUT] at cpw.mods.fml.common.Loader.initializeMods(Loader.java:700)
2014-01-14 14:38:01 [INFO] [STDOUT] at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:249)
2014-01-14 14:38:01 [INFO] [STDOUT] at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:509)
2014-01-14 14:38:01 [INFO] [STDOUT] at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:808)
2014-01-14 14:38:01 [INFO] [STDOUT] at net.minecraft.client.main.Main.main(SourceFile:101)
2014-01-14 14:38:01 [INFO] [STDOUT] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2014-01-14 14:38:01 [INFO] [STDOUT] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2014-01-14 14:38:01 [INFO] [STDOUT] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2014-01-14 14:38:01 [INFO] [STDOUT] at java.lang.reflect.Method.invoke(Unknown Source)
2014-01-14 14:38:01 [INFO] [STDOUT] at net.minecraft.launchwrapper.Launch.launch(Launch.java:131)
2014-01-14 14:38:01 [INFO] [STDOUT] at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
2014-01-14 14:38:01 [INFO] [STDOUT] Caused by: java.lang.NoClassDefFoundError: biomesoplenty/world/WorldProviderPromised
2014-01-14 14:38:01 [INFO] [STDOUT] at biomesoplenty.BiomesOPlenty.load(BiomesOPlenty.java:127)
2014-01-14 14:38:01 [INFO] [STDOUT] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2014-01-14 14:38:01 [INFO] [STDOUT] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2014-01-14 14:38:01 [INFO] [STDOUT] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2014-01-14 14:38:01 [INFO] [STDOUT] at java.lang.reflect.Method.invoke(Unknown Source)
2014-01-14 14:38:01 [INFO] [STDOUT] at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:545)
2014-01-14 14:38:01 [INFO] [STDOUT] at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)
2014-01-14 14:38:01 [INFO] [STDOUT] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2014-01-14 14:38:01 [INFO] [STDOUT] at java.lang.reflect.Method.invoke(Unknown Source)
2014-01-14 14:38:01 [INFO] [STDOUT] at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
2014-01-14 14:38:01 [INFO] [STDOUT] at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
2014-01-14 14:38:01 [INFO] [STDOUT] at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313)
2014-01-14 14:38:01 [INFO] [STDOUT] at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
2014-01-14 14:38:01 [INFO] [STDOUT] at com.google.common.eventbus.EventBus.post(EventBus.java:267)
2014-01-14 14:38:01 [INFO] [STDOUT] at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:201)
2014-01-14 14:38:01 [INFO] [STDOUT] at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:181)
2014-01-14 14:38:01 [INFO] [STDOUT] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2014-01-14 14:38:01 [INFO] [STDOUT] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2014-01-14 14:38:01 [INFO] [STDOUT] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2014-01-14 14:38:01 [INFO] [STDOUT] at java.lang.reflect.Method.invoke(Unknown Source)
2014-01-14 14:38:01 [INFO] [STDOUT] at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
2014-01-14 14:38:01 [INFO] [STDOUT] at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
2014-01-14 14:38:01 [INFO] [STDOUT] at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313)
2014-01-14 14:38:01 [INFO] [STDOUT] at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
2014-01-14 14:38:01 [INFO] [STDOUT] at com.google.common.eventbus.EventBus.post(EventBus.java:267)
2014-01-14 14:38:01 [INFO] [STDOUT] at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:112)
2014-01-14 14:38:01 [INFO] [STDOUT] at cpw.mods.fml.common.Loader.initializeMods(Loader.java:699)
2014-01-14 14:38:01 [INFO] [STDOUT] ... 10 more
2014-01-14 14:38:01 [INFO] [STDOUT] Caused by: java.lang.ClassNotFoundException: biomesoplenty.world.WorldProviderPromised
2014-01-14 14:38:01 [INFO] [STDOUT] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:186)
2014-01-14 14:38:01 [INFO] [STDOUT] at java.lang.ClassLoader.loadClass(Unknown Source)
2014-01-14 14:38:01 [INFO] [STDOUT] at java.lang.ClassLoader.loadClass(Unknown Source)
2014-01-14 14:38:01 [INFO] [STDOUT] ... 37 more
2014-01-14 14:38:01 [INFO] [STDOUT] Caused by: java.lang.NoClassDefFoundError: worldcore/interfaces/IWCLighting
2014-01-14 14:38:01 [INFO] [STDOUT] at java.lang.ClassLoader.defineClass1(Native Method)
2014-01-14 14:38:01 [INFO] [STDOUT] at java.lang.ClassLoader.defineClass(Unknown Source)
2014-01-14 14:38:01 [INFO] [STDOUT] at java.security.SecureClassLoader.defineClass(Unknown Source)
2014-01-14 14:38:01 [INFO] [STDOUT] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:178)
2014-01-14 14:38:01 [INFO] [STDOUT] ... 39 more
2014-01-14 14:38:01 [INFO] [STDOUT] Caused by: java.lang.ClassNotFoundException: worldcore.interfaces.IWCLighting
2014-01-14 14:38:01 [INFO] [STDOUT] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:97)
2014-01-14 14:38:01 [INFO] [STDOUT] at java.lang.ClassLoader.loadClass(Unknown Source)
2014-01-14 14:38:01 [INFO] [STDOUT] at java.lang.ClassLoader.loadClass(Unknown Source)
2014-01-14 14:38:01 [INFO] [STDOUT] ... 43 more
2014-01-14 14:38:01 [INFO] [STDOUT]
2014-01-14 14:38:01 [INFO] [STDOUT]
2014-01-14 14:38:01 [INFO] [STDOUT] A detailed walkthrough of the error, its code path and all known details is as follows:
2014-01-14 14:38:01 [INFO] [STDOUT] ---------------------------------------------------------------------------------------
2014-01-14 14:38:01 [INFO] [STDOUT]
2014-01-14 14:38:01 [INFO] [STDOUT] -- System Details --
2014-01-14 14:38:01 [INFO] [STDOUT] Details:
2014-01-14 14:38:01 [INFO] [STDOUT] Minecraft Version: 1.6.4
2014-01-14 14:38:01 [INFO] [STDOUT] Operating System: Windows Vista (amd64) version 6.0
2014-01-14 14:38:01 [INFO] [STDOUT] Java Version: 1.7.0_45, Oracle Corporation
2014-01-14 14:38:01 [INFO] [STDOUT] Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
2014-01-14 14:38:01 [INFO] [STDOUT] Memory: 320235120 bytes (305 MB) / 539492352 bytes (514 MB) up to 954728448 bytes (910 MB)
2014-01-14 14:38:01 [INFO] [STDOUT] JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
2014-01-14 14:38:01 [INFO] [STDOUT] AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
2014-01-14 14:38:01 [INFO] [STDOUT] Suspicious classes: FML and Forge are installed
2014-01-14 14:38:01 [INFO] [STDOUT] IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
2014-01-14 14:38:01 [INFO] [STDOUT] FML: MCP v8.11 FML v6.4.49.965 Minecraft Forge 9.11.1.965 Optifine OptiFine_1.6.4_HD_C6 46 mods loaded, 46 mods active
2014-01-14 14:38:01 [INFO] [STDOUT] mcp{8.09} Minecraft Coder Pack Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] FML{6.4.49.965} Forge Mod Loader Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] Forge{9.11.1.965} Minecraft Forge Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] CodeChickenCore{0.9.0.7} CodeChicken Core Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] NotEnoughItems{1.6.1.8} [Not Enough Items](NotEnoughItems 1.6.1.8.jar) Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] PowerCrystalsCore{1.1.8} PowerCrystals Core Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] TConstruct-Preloader{0.0.1} Tinkers Corestruct Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] DamageIndicatorsMod{2.9.2.2} [Damage Indicators](1.6.4 DamageIndicatorsv2.9.2.2.zip) Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] GrimoireGaia2{1.8.1} §2Grimoire of Gaia 2 Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] AnimationAPI{1.1.1} [AnimationAPI](AnimationAPI v1.1.2 mc1.6.4.zip) Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] ArchimedesShipsMod{1.6.4 v1.4.5} Archimedes' Ships Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] BetterDungeons{2.4} Chocolate quest Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] BiblioCraft{1.5.3} BiblioCraft Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] Natura{2.1.12} Natura Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] BiomesOPlenty{1.2.1} Biomes O' Plenty Unloaded->Constructed->Pre-initialized->Errored
2014-01-14 14:38:01 [INFO] [STDOUT] BiblioWoodsBoP{1.3} BiblioWoods Biomes O'Plenty Edition Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] BiblioWoodsNatura{1.1} BiblioWoods Natura Edition Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] ConfigMod{v1.0} [Extended Mod Config](ConfigMod for MC v1.6.4.zip) Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] CoroAI{v1.0} [CoroAI](CoroAI for MC v1.6.4.zip) Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] customnpcs{1.6.4} CustomNpcs Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] ExtendedRenderer{v1.0} [Extended Renderer](ExtendedRenderer for MC v1.6.4.zip) Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] ExtraUtilities{0.3.5} [Extra Utilities](extrautils - 0.3.5.zip) Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] NBTEdit{1.6.4.0} In-game NBTEdit Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] GraveStone{2.4.6} GraveStone Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] HardcoreEnderExpansion{1.3.1} Hardcore Ender Expansion Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] Hats{2.0.2} Hats Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] HatStand{2.0.0} HatStand Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] iChunUtil{2.3.0} iChunUtil Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] mod_MMM_MMMLib{1.6.2-6} MMMLib Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] mod_LMM_littleMaidMob{1.6.2-6} littleMaidMob Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] MapWriter{2.0} MapWriter Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] moreplayermodels{1.6.4} MorePlayerModels Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] MutantCreatures{1.4.4} Mutant Creatures Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] Mystcraft{0.10.11.00} Mystcraft Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] NEIPlugins{1.1.0.3} NEI Plugins Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] NetherOres{1.6.2R2.2.1} Nether Ores Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] SpecialMobs{2.6} [Special Mobs](SpecialMobs 2.6 for MC 1.6.2.zip) Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] Waila{1.4.1} Waila Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] TConstruct{1.6.X_1.5.2.1} Tinkers' Construct Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] Thaumcraft{4.0.5b} Thaumcraft Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] ThaumicTinkerer{2.1-57} [Thaumic Tinkerer](ThaumicTinkerer 2.1-57.jar) Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] TMechworks{DEV.21b1027} Tinkers' Mechworks Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] TwilightForest{1.20.3} The Twilight Forest Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] AIBlock{v1.0} [AIBlock](Weather v1.59 Mod for MC v1.6.4.zip) Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] WeatherMod{1.58} [Weather and Tornadoes](Weather v1.59 Mod for MC v1.6.4.zip) Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] ThaumcraftMobAspects{1.6.X-1d} Thaumcraft Mob Aspects Unloaded->Constructed->Pre-initialized->Initialized
2014-01-14 14:38:01 [INFO] [STDOUT] TConstruct Environment: DO NOT REPORT THIS CRASH! Unsupported mods in environment: optifine
2014-01-14 14:38:01 [INFO] [STDOUT] #@!@# Game crashed! Crash report saved to: #@!@# C:\Users\Megatron\AppData\Roaming.minecraft\crash-reports\crash-2014-01-14_14.38.01-client.txt

Sorry, I just found the post directed at this problem. Sorry again.