Sep 06, 2013 10:48:32 PM net.minecraft.launchwrapper.LogWrapper log
INFO: Using tweak class name cpw.mods.fml.common.launcher.FMLTweaker
Sep 06, 2013 10:48:32 PM net.minecraft.launchwrapper.LogWrapper log
SEVERE: Unable to launch
java.lang.ClassNotFoundException: cpw.mods.fml.common.launcher.FMLTweaker
	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:99)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:270)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:49)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:18)