LDEV-4486 Prevent user from removing course if there are lessons in it When sysadming tries to remove a course, he gets warned about lessons…
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LDEV-4486 Prevent user from removing course if there are lessons in itWhen sysadming tries to remove a course, he gets warned about lessonsexisting in the course or its subcourses. Then he is redirected to apage where he can remove the lessons. Only if the course and itssubcourses are empty, the course can get removed.
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