Minecraft Forums

Aug 31, 2015 2:43:48 PM net.minecraft.launchwrapper.LogWrapper log
INFO: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
Aug 31, 2015 2:43:49 PM net.minecraft.launchwrapper.LogWrapper log
INFO: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
Aug 31, 2015 2:43:49 PM net.minecraft.launchwrapper.LogWrapper log
INFO: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
2015-08-31 14:43:49 [INFO] [ForgeModLoader] Forge Mod Loader version 6.4.50.1,345 for Minecraft 1.6.4 loading
2015-08-31 14:43:49 [INFO] [ForgeModLoader] Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_25, running on Windows 7:amd64:6.1, installed at C:\Program Files (x86)\Minecraft\runtime\jre-x64\1.8.0_25
2015-08-31 14:43:49 [WARNING] [ForgeModLoader] The coremod codechicken.core.launch.DepLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2015-08-31 14:43:49 [WARNING] [ForgeModLoader] The coremod worldcore.asm.WCFMLLoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2015-08-31 14:43:49 [WARNING] [ForgeModLoader] The coremod biomesoplenty.asm.BOPFMLLoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2015-08-31 14:43:50 [INFO] [STDERR] Warning: version of CodeChickenLib-universal-1.6.4-, 1.0.0.62 is newer than request 1.0.0.45
2015-08-31 14:43:50 [WARNING] [ForgeModLoader] The coremod cofh.asm.LoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2015-08-31 14:43:50 [WARNING] [ForgeModLoader] The coremod invtweaks.forge.asm.FMLPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2015-08-31 14:43:50 [WARNING] [ForgeModLoader] The coremod codechicken.nei.asm.NEICorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2015-08-31 14:43:50 [INFO] [ForgeModLoader] Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
2015-08-31 14:43:50 [INFO] [ForgeModLoader] Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
2015-08-31 14:43:50 [INFO] [ForgeModLoader] Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
2015-08-31 14:43:50 [INFO] [ForgeModLoader] Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
2015-08-31 14:43:50 [INFO] [ForgeModLoader] Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
2015-08-31 14:43:50 [INFO] [STDOUT] Loaded 40 rules from AccessTransformer config file fml_at.cfg
2015-08-31 14:43:53 [INFO] [ForgeModLoader] Found valid fingerprint for Minecraft Forge. Certificate fingerprint e3c3d50c7c986df74c645c0ac54639741c90a557
2015-08-31 14:43:53 [INFO] [ForgeModLoader] Found valid fingerprint for Minecraft. Certificate fingerprint cd99959656f753dc28d863b46769f7f8fbaefcfc
2015-08-31 14:43:53 [INFO] [ForgeModLoader] Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
2015-08-31 14:43:53 [INFO] [STDOUT] Loaded 110 rules from AccessTransformer config file forge_at.cfg
2015-08-31 14:43:53 [INFO] [ForgeModLoader] Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
2015-08-31 14:43:53 [INFO] [ForgeModLoader] Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
2015-08-31 14:43:53 [INFO] [ForgeModLoader] Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
2015-08-31 14:43:53 [INFO] [ForgeModLoader] Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
2015-08-31 14:43:53 [INFO] [ForgeModLoader] Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
2015-08-31 14:43:53 [INFO] [ForgeModLoader] Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
2015-08-31 14:43:53 [INFO] [STDERR] Exception in thread "main" java.lang.NoClassDefFoundError: codechicken/core/launch/CodeChickenCorePlugin
2015-08-31 14:43:53 [INFO] [STDERR] at codechicken.nei.asm.NEICorePlugin.getASMTransformerClass(NEICorePlugin.java:18)
2015-08-31 14:43:53 [INFO] [STDERR] at cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper.injectIntoClassLoader(CoreModManager.java:97)
2015-08-31 14:43:53 [INFO] [STDERR] at net.minecraft.launchwrapper.Launch.launch(Launch.java:111)
2015-08-31 14:43:53 [INFO] [STDERR] at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
2015-08-31 14:43:53 [INFO] [STDERR] Caused by: java.lang.ClassNotFoundException: codechicken.core.launch.CodeChickenCorePlugin
2015-08-31 14:43:53 [INFO] [STDERR] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:186)
2015-08-31 14:43:53 [INFO] [STDERR] at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
2015-08-31 14:43:53 [INFO] [STDERR] at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
2015-08-31 14:43:53 [INFO] [STDERR] ... 4 more
2015-08-31 14:43:53 [INFO] [STDERR] Caused by: java.lang.NullPointerException
2015-08-31 14:43:53 [INFO] [STDERR] at org.objectweb.asm.ClassReader.<init>(Unknown Source)
2015-08-31 14:43:53 [INFO] [STDERR] at invtweaks.forge.asm.ContainerTransformer.transform(ContainerTransformer.java:116)
2015-08-31 14:43:53 [INFO] [STDERR] at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:274)
2015-08-31 14:43:53 [INFO] [STDERR] at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:172)
2015-08-31 14:43:53 [INFO] [STDERR] ... 6 more
Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release

Any help would be very appreciated

Would you mind skyping me to explain more? Or give a detailed walk through I just installed a modpack from the website it is Magic World 2