Minecraft crash report

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

Time: 11/17/12 12:18 PM
Description: Failed to start game

cpw.mods.fml.common.LoaderException: java.lang.ClassNotFoundException: extrabiomes.Extrabiomes
	at cpw.mods.fml.common.LoadController.transition(LoadController.java:117)
	at cpw.mods.fml.common.Loader.loadMods(Loader.java:479)
	at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:150)
	at net.minecraft.client.Minecraft.a(Minecraft.java:424)
	at net.minecraft.client.Minecraft.run(Minecraft.java:756)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: extrabiomes.Extrabiomes
	at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:141)
	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:410)
	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.propogateStateMessage(LoadController.java:140)
	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:83)
	at cpw.mods.fml.common.Loader.loadMods(Loader.java:478)
	... 4 more
Caused by: java.lang.NullPointerException
	at org.objectweb.asm.ClassReader.<init>(Unknown Source)
	at net.minecraftforge.transformers.EventTransformer.transform(EventTransformer.java:29)
	at cpw.mods.fml.relauncher.RelaunchClassLoader.runTransformers(RelaunchClassLoader.java:178)
	at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:133)
	... 31 more


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

-- System Details --
Details:
	Minecraft Version: 1.4.4
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_04-ea, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 798091240 bytes (761 MB) / 1029046272 bytes (981 MB) up to 1029046272 bytes (981 MB)
	JVM Flags: 2 total; -Xms1024m -Xmx1024m
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Suspicious classes: ModTextureStatic, $Proxy3, $Proxy4, ...[com.google.common.base.Preconditions, Charsets, Splitter, ...], [com.google.common.cache.CacheLoader, CacheBuilder, Cache, ...], [com.google.common.collect.Multimap, ListMultimap, AbstractMultimap, ...], [com.google.common.eventbus.EventBus, HandlerFindingStrategy, AnnotatedHandlerFinder, ...], [com.google.common.io.LineProcessor, Resources, InputSupplier, ...], [com.google.common.primitives.Ints], [com.google.common.reflect.TypeCapture, TypeToken, SimpleTypeToken, ...], [com.google.common.util.concurrent.UncheckedExecutionException, ExecutionError, MoreExecutors, ...], [cpw.mods.fml.client.ITextureFX, FMLTextureFX, TextureFXManager, ...], [cpw.mods.fml.client.modloader.ModLoaderClientHelper, ModLoaderKeyBindingHandler], [cpw.mods.fml.client.registry.ISimpleBlockRenderingHandler, KeyHandler, KeyBindingRegistry], [cpw.mods.fml.common.Loader, LoaderException, DuplicateModsFoundException, ...], [cpw.mods.fml.common.asm.FMLSanityChecker, MLDetectorClassVisitor, SideOnly], [cpw.mods.fml.common.asm.transformers.AccessTransformer, Modifier, MarkerTransformer, ...], [cpw.mods.fml.common.discovery.ModDiscoverer, ASMDataTable, ModCandidate, ...], [cpw.mods.fml.common.discovery.asm.ASMModParser, ModClassVisitor, ModFieldVisitor, ...], [cpw.mods.fml.common.event.FMLLoadEvent, FMLEvent, FMLStateEvent, ...], [cpw.mods.fml.common.functions.ModIdFunction], [cpw.mods.fml.common.modloader.IModLoaderSidedHelper, ModLoaderHelper, ModLoaderVillageTradeHandler, ...], [cpw.mods.fml.common.network.Player, IPacketHandler, IConnectionHandler, ...], [cpw.mods.fml.common.registry.BlockProxy, ItemProxy, LanguageRegistry, ...], [cpw.mods.fml.common.toposort.ModSortingException, ModSorter, DirectedGraph, ...], [cpw.mods.fml.common.versioning.ArtifactVersion, VersionParser, InvalidVersionSpecificationException, ...], [net.minecraftforge.client.ForgeHooksClient], [net.minecraftforge.client.event.TextureLoadEvent, RenderWorldLastEvent, DrawBlockHighlightEvent], [net.minecraftforge.client.event.sound.SoundEvent, SoundResultEvent, PlayBackgroundMusicEvent, ...], [net.minecraftforge.common.IPlantable, IShearable, ISidedInventory, ...], [net.minecraftforge.event.Event, ListenerList, EventBus, ...], [net.minecraftforge.event.entity.EntityEvent, EntityJoinWorldEvent], [net.minecraftforge.event.entity.living.LivingEvent], [net.minecraftforge.event.entity.player.PlayerEvent, ArrowNockEvent, ArrowLooseEvent, ...], [net.minecraftforge.event.world.WorldEvent, Load, Save, ...], [net.minecraftforge.oredict.OreDictionary, OreRegisterEvent, ShapedOreRecipe, ...], [net.minecraftforge.transformers.ForgeAccessTransformer, EventTransformer], [org.objectweb.asm.ClassVisitor, ClassWriter, AnnotationVisitor, ...], [org.objectweb.asm.tree.ClassNode, AnnotationNode, MethodNode, ...]
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	FML: MCP v7.21 FML v4.4.4.442 Minecraft Forge 6.3.0.372 4 mods loaded, 4 mods active
	mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed
	FML [Forge Mod Loader] (coremods) Unloaded->Constructed
	Forge [Minecraft Forge] (coremods) Unloaded->Constructed
	ExtrabiomesXL [ExtrabiomesXL] (extrabiomesxl) Unloaded->Errored
	LWJGL: 2.4.2
	OpenGL: Mobile Intel(R) 4 Series Express Chipset Family GL version 2.1.0 - Build 8.15.10.2302, Intel
	Is Modded: Definitely; Client brand changed to 'forge,fml'
	Type: Client (map_client.txt)
	Texture Pack: Coterie 1.4.zip
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null