XxOmqRachelxX

I believe this is the right one :

I fixed one of my Problems but my One mod pack is being stupid and I am trying to fix it and have been for over 3 - 4 days

I might have found the mod error I believe the mod Lightair

My MC won't load and it was working fine yesterday and I didn't even touch anything but it keeps saying The game crashed whilst there was a severe problem during mod loading that has caused the game to fail Error: net.minecraftforge.fml.common.LoaderException: java.lang.NoSuchMethodException: com.lewismcreu.lightair.ItemBlockLightAir.<init>(net.minecraft.block.Block) But I have no idea which File is to tell me what is the problem