java.lang.NoClassDefFoundError: cpw/mods/fml/relauncher/IFMLLoadingPlugin

planetminecraft.com | 1 month ago
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    java.lang.NoClassDefFoundError: cpw/mods/fml/relauncher/IFMLLoadingPlugin

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    Root Cause Analysis

    1. java.lang.NoClassDefFoundError

      cpw/mods/fml/relauncher/IFMLLoadingPlugin

      at java.lang.ClassLoader.defineClass1()
    2. Java RT
      ClassLoader.defineClass1
      1. java.lang.ClassLoader.defineClass1(Native Method)[main/INFO]
      1 frame