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When i try i get this error okt 28, 2013 6:34:34 PM net.minecraft.launchwrapper.LogWrapper log INFO: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker okt 28, 2013 6:34:34 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(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:102) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at net.minecraft.launchwrapper.Launch.launch(Launch.java:94) at net.minecraft.launchwrapper.Launch.main(Launch.java:27)

Hallo all sorry if this already have been asked but I can't figure out how to install both Forge and Listloader in a modpack. Have tried to extract the Liteloader and putting it in modpack.jar Is this the wrong way to do it ?