FFAF completely glitched out…

exactly at 9:00 am, i submitted and tried registering for a class. it added me to the “waitlist”, which had around 10 people. i guess 10 of us trying to register for the one spot left. i was at waitlist position 0, and i kept trying to register hoping it would clear. a few minutes later, the one spot left is gone and now the waitlist is at -5? is this normal? not sure it’s really fair that someone who logged on a little later was able to get it when other people who logged on exactly at 9 got added to a fake waitlist