After updating a single dossier selection ÄNDERN is blocked
Please go to https://try.samarbeid.org/tasks/170 Change "Ausleihende Person" to another Dossier. Try now to change the dossier again. This is not possible, the button "ÄNDERN" does not open the dialog.
(This effect can only be reproduced for single selection of dossiers; if multiple selection is allowed "ÄNDERN" is not blocked.