When creating subpages, it is unnecessary to add the main page name and the type of subpage as categories. That's what the {{worksubpagefooter}}
template does. Save yourself the effort and don't do this any more.
-- Looney Toons, admin
@Labster @Looney Toons @GethN7 @QuestionableSanity @Derivative @SelfCloak @Robkelk