Hello, I am using Moodle 3.1. Last night a cron job must have run and it issued 100 certificates out to people. The course began months ago but we only added a certificate 2 weeks ago. I had it set to issue at course total 100% without realizing that it was only taking an average of the activities completed -- so if a person only did 1 of 15 activities and got 100% on all of them they got a certificate. I'm sure there's a nicer way to fix this but I just added individual completion for each activity this morning.
But now 100 people have certificates that didn't earn them! (There are about 4 people who did earn them legitimately so I don't want to delete the activity). Can I revoke these certificates?! Help please! Thanks.