When starting a course if prerequisites are required a message appears 'Incomplete Prerequisites, you must complete the prerequisites before you can start this course' (see attached picture).
It would be more efficient if when enrolling or when starting a course, the message can detail which related prerequisites are missing (course names at least).
For example:
'Incomplete Prerequisites, you must complete the prerequisites before you can start this course.
Course name XXXXX
Course name XXXXX
...'