minecraft crash report

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

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

A full error report has been saved to C:\Users\Elinor\AppData\Roaming\.minecraft\crash-reports\crash-2013-01-02_16.48.30-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 5355a300 --------
Full report at:
C:\Users\Elinor\AppData\Roaming\.minecraft\crash-reports\crash-2013-01-02_16.48.30-client.txt
Please show that file to Mojang, NOT just this screen!

Generated 02/01/13 16:48

-- System Details --
Details:
	Minecraft Version: 1.4.6
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.6.0_20, Sun Microsystems Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc.
	Memory: 459452120 bytes (438 MB) / 514523136 bytes (490 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 2 total; -Xms512m -Xmx1024m
	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 v7.25 FML v4.6.17.515 Minecraft Forge 6.5.0.489 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
	MagicYarn [Magic Yarn] (atomicstryker) 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: FINALLY THANK YOU.zip
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null

cpw.mods.fml.common.LoaderException: java.lang.ClassNotFoundException: atomicstryker.magicyarn.client.MagicYarn
	at cpw.mods.fml.common.LoadController.transition(LoadController.java:117)
	at cpw.mods.fml.common.Loader.loadMods(Loader.java:484)
	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: atomicstryker.magicyarn.client.MagicYarn
	at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:179)
	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:414)
	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)
	... 5 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:222)
	at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:171)
	... 32 more
--- END ERROR REPORT 21674024 ----------