<p>If your course registration was done through Osiris, you can only unenroll from the course in Brightspace after deregistering...</p>
self-enrollment-in-courses-for-students
<p>You have most likely been unenrolled from the course by the lecturer, or the course might no longer exist....</p>
<p>You are most likely still enrolled in the Brightspace course in the Course Catalog, even though you are unenrolled...</p>
<p>Only (regular) students that self-enroll for courses through the Course Catalog have access to the Course Catalog. Contact contactcentre-esa@tudelft.nl...</p>