Students can't see their feedback on an assignment's page

Summary

Multiple students can't see their feedback on the following page:

https://submit.tudelft.nl/assignment/1067

Clicking the "feedback" link does nothing.

See also https://stackoverflow.com/c/tud-cs/questions/4930#comment4719_4930

Steps to Reproduce

1. Go to https://submit.tudelft.nl/assignment/1067 as a student with a few submissions
2. Click the "feedback" link

Possible Fix

Don't know. Could be similar to #78 (closed).

Logs

None.