Not sure if this is still a problem for you but make sure you launcher is up to date then if it continues try renaming your tekkit directory in %appdata% then running it. If it persists PM me
i cant start tekkit classic every other modpack works but not classic wen i press play it begins to load but after a few seconds the launcher flashes and goes back like nothing happened in the console it stands
Exception in thread "main" com.beust.jcommander.ParameterException" Unknown option: --title
how do i fix this i couldnt find anithing like this on google so please how
i hope i typed right im swedish