java.lang.NoClassDefFoundError

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    • java.lang.NoClassDefFoundError: codechicken/core/launch/CodeChickenCorePlugin at codechicken.nei.asm.NEICorePlugin.getASMTransformerClass(NEICorePlugin.java:23) at cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:97) at net.minecraft.launchwrapper.Launch.launch(Launch.java:111) at net.minecraft.launchwrapper.Launch.main(Launch.java:27) Caused by: java.lang.ClassNotFoundException: codechicken.core.launch.CodeChickenCorePlugin at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:186) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 4 more Caused by: java.lang.NullPointerException at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:178) ... 6 more

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