If a user tries to start two exam modes and uploads at least one file for the first exam mode, then the upload widget displays the same file for the second exam mode.
If it is too complicated to fix this, we should reschedule the fix for this bug for a later update.
*** This bug has been marked as a duplicate of bug 31318 ***
UCS@school 3.1 R2 has been released: http://download.univention.de/doc/release-notes-ucsschool-3.1-rev2.pdf If this error occurs again, please use "Clone This Bug".