Minecraft Forums

So by adding pixelmon I gained a problem with the loader crashing before even opening Minecraft. The error is below

Time: 16/07/16 7:23 PM
Description: FML has discovered extracted jar files in the mods directory.
This breaks mod loading functionality completely.
Remove the directories and replace with the jar files originally provided.

java.lang.RuntimeException: Extracted mod jars found, loading will NOT continue
at net.minecraftforge.fml.relauncher.CoreModManager.discoverCoreMods(CoreModManager.java:298)
at net.minecraftforge.fml.relauncher.CoreModManager.handleLaunch(CoreModManager.java:246)
at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupHome(FMLLaunchHandler.java:95)
at net.minecraftforge.fml.relauncher.FMLLaunchHandler.setupClient(FMLLaunchHandler.java:72)
at net.minecraftforge.fml.relauncher.FMLLaunchHandler.configureForClientLaunch(FMLLaunchHandler.java:34)
at net.minecraftforge.fml.common.launcher.FMLTweaker.injectIntoClassLoader(FMLTweaker.java:119)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:115)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)