I am trying to load a modpack and when I click play it scrolls through the norms but then I get this message in the console:
[b#439] 2014-11-05 16:26:44 [iNFO] [ForgeModLoader] Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[b#439] 2014-11-05 16:26:44 [iNFO] [ForgeModLoader] Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
[b#439] 2014-11-05 16:26:44 [iNFO] [ForgeModLoader] Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[b#439] 2014-11-05 16:26:44 [sEVERE] [ForgeModLoader] Unable to launch
[b#439] java.util.ConcurrentModificationException
[b#439] at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
[b#439] at java.util.ArrayList$Itr.remove(Unknown Source)
[b#439] at net.minecraft.launchwrapper.Launch.launch(Launch.java:114)
[b#439] at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
[b#439] Java HotSpot Client VM warning: ignoring option MaxPermSize=128m; support was removed in 8.0
Can anybody help me?