Coursepress permalinks issue to individual course units url's displayed on main course page

Coursepress permalinks issue to individual course units url's displayed on main course page from page; http://www.thesmilingmind.co.uk/courses/ to units such as http://www.thesmilingmind.co.uk/courses/mindfulness-based-stress-reduction/units/mindful-yoga/
main units page with all the units displayed that work correctly, wont allow to amend in CoursePress course over view editor, the links still don't work despite copying and pasting. Any help would be appreciated?