Your course creator is a course creator in a category. When they go to that category -for example from the /course/index,php page - do they then see an option to create a course? I tested with a course creator in a category role and they could do this from the course/index.php page.
General help
Create courses
Αυτή η συζήτηση κλειδώθηκε κι έτσι δεν μπορείτε να απαντήσετε σε αυτή.