I'm not using that functionality, does that require that you create pages for every category or how do you set it up?
I simply have an expandable list with questions that have been assigned 1 or more categories. And on that page I have added an category widget with the setting to only show categories that at least one of the list items have.
When you select a category you are directed to a autogenerated page with
Sorry for spamming your forum :)