Resolved Issue with launching

Discussion in 'Launcher' started by M0R, Oct 12, 2016.

  1. M0R

    M0R New Member

    So, as I was testing my custom modpack I launched it, and I got a message saying the following

    [16:24:01] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
    [16:24:01] [main/ERROR]: Unable to launch
    java.lang.ClassNotFoundException: cpw.mods.fml.common.launcher.FMLTweaker
    at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[?:1.8.0_74]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_74]
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) ~[?:1.8.0_74]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_74]
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:106) ~[launchwrapper-1.12.jar:?]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_74]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_74]
    at java.lang.Class.forName0(Native Method) ~[?:1.8.0_74]
    at java.lang.Class.forName(Class.java:348) ~[?:1.8.0_74]
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:98) [launchwrapper-1.12.jar:?]
    at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]

    I do not know what is happening and I do in fact have libraries at the location specified (I checked a previous post and they said we need libraries at the web page)

    Please help me
  2. sk89q

    sk89q Administrator Developer

    What's your MC version, Forge version, and the file name of the Forge jar in the loaders folder that you downloaded?
  3. M0R

    M0R New Member

    mc version: 1.7.10
    forge version: 1.7.10 - 10.13.4.1614
    forge loader name: forge-1.7.10-10.13.4.1614-1.7.10-installer.jar
    il pm you the site i use for my things
  4. M0R

    M0R New Member

    I have found the issue and resolved it. This discussion is now closed.