You do not have a link list with a handle set to after-dusk, or you do and it's empty. Go ahead and create a link list called After-Dusk on your Navigation page and populate that link list with links that point to collections, to see collections listed here. Make sure the link list also has a handle set to after-dusk.
After Dark is a thing of the past. Indulge in the new and retro-improved After Dusk!
(If you are too young to know what After Dark is, ask your ancestors)