1.2.0: Cant Launch Horizons: Daybreak

Discussion in 'Horizons: Daybreaker' started by xanderhunter, May 2, 2016.

  1. xanderhunter

    xanderhunter New Member

    Mod & Version:
    FTB Horizons: Daybreak 1.2.0

    What is the bug:
    Every time I try to launch I get this error

    java.lang.ClassNotFoundException: cpw.mods.fml.common.launcher.FMLTweaker
    at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.7.0_80]
    at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.7.0_80]
    at java.security.AccessController.doPrivileged(Native Method) ~[?:1.7.0_80]
    at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.7.0_80]
    at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_80]
    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) ~[?:1.7.0_80]
    at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_80]
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:106) ~[launchwrapper-1.11.jar:?]
    at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_80]
    at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.7.0_80]
    at java.lang.Class.forName0(Native Method) ~[?:1.7.0_80]
    at java.lang.Class.forName(Unknown Source) ~[?:1.7.0_80]
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:98) [launchwrapper-1.11.jar:?]
    at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11.jar:?]
     
  2. Moasseman

    Moasseman New Member

    Go to options tab in the launcher, click "Force update" and launch again
     
  3. xanderhunter

    xanderhunter New Member

    Last edited: May 2, 2016
  4. xanderhunter

    xanderhunter New Member

    Any Help?
     
  5. Moasseman

    Moasseman New Member

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