in the report page (overview), the teacher might see a list of student attempts in a table, when he tried to delete one of these attempts, he will notice that another attempt is deleted and the actual attempt (to be deleted) stay as is ...
however, we fixed this issue ... how can i submit the fix to moodle (the fix contains many code lines adjustments so it's not a good idea to list them in this forum as steps ... or as huge comment in tracker ) ...