I have problem with launcher pls help!

[loader12]

my eng so bad pls help! i cant open ftb any packs.as I select mod packs and click launch after waiting a few seconds will not open the game.

2014-01-24 12:16:05 [INFO] [STDERR] Exception in thread "main" java.lang.NoClassDefFoundError: codechicken/lib/config/ConfigFile
2014-01-24 12:16:05 [INFO] [STDERR] at codechicken.core.asm.CodeChickenCoreModContainer.loadConfig(CodeChickenCoreModContainer.java:39)
2014-01-24 12:16:05 [INFO] [STDERR] at codechicken.core.launch.CodeChickenCorePlugin.<init>(CodeChickenCorePlugin.java:51)
2014-01-24 12:16:05 [INFO] [STDERR] at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
2014-01-24 12:16:05 [INFO] [STDERR] at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
2014-01-24 12:16:05 [INFO] [STDERR] at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
2014-01-24 12:16:05 [INFO] [STDERR] at java.lang.reflect.Constructor.newInstance(Unknown Source)
2014-01-24 12:16:05 [INFO] [STDERR] at java.lang.Class.newInstance(Unknown Source)
2014-01-24 12:16:05 [INFO] [STDERR] at cpw.mods.fml.relauncher.CoreModManager.loadCoreMod(CoreModManager.java:427)
2014-01-24 12:16:05 [INFO] [STDERR] at cpw.mods.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:310)
2014-01-24 12:16:05 [INFO] [STDERR] at cpw.mods.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:212)
2014-01-24 12:16:05 [INFO] [STDERR] at cpw.mods.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:90)
2014-01-24 12:16:05 [INFO] [STDERR] at cpw.mods.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:67)
2014-01-24 12:16:05 [INFO] [STDERR] at cpw.mods.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34)
2014-01-24 12:16:05 [INFO] [STDERR] at cpw.mods.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:124)
2014-01-24 12:16:05 [INFO] [STDERR] at net.minecraft.launchwrapper.Launch.launch(Launch.java:111)
2014-01-24 12:16:05 [INFO] [STDERR] at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
2014-01-24 12:16:05 [INFO] [STDERR] Caused by: java.lang.ClassNotFoundException: codechicken.lib.config.ConfigFile
2014-01-24 12:16:05 [INFO] [STDERR] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:186)
2014-01-24 12:16:05 [INFO] [STDERR] at java.lang.ClassLoader.loadClass(Unknown Source)
2014-01-24 12:16:05 [INFO] [STDERR] at java.lang.ClassLoader.loadClass(Unknown Source)
2014-01-24 12:16:05 [INFO] [STDERR] ... 16 more
2014-01-24 12:16:05 [INFO] [STDERR] Caused by: java.lang.NullPointerException
2014-01-24 12:16:05 [INFO] [STDERR] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:178)
2014-01-24 12:16:05 [INFO] [STDERR] ... 18 more

 

[Nerixel]

Try the instructions at this link. If that doesn't work, create a thread in Tech Support, this is the wrong section for tech support requests.

 

[SGTkuzey]

Been having the same problem.

 

[Nerixel]

Been having the same problem.

Try the instructions at this link. If that doesn't work, create a thread in Tech Support, this is the wrong section for tech support requests.

 

[016Nojr]

How much RAM you have on your launcher??

 

[SGTkuzey]

2 GB.