I think this is a glitch as I've seen several other posts from people with deleted stuff. If you've been processed, you can go into the change notification section and add the deleted stuff. Otherwise, apparently AMCAS says you just have to wait for processing when they will catch the error. I think Desperately Seeking MD is right, you should just go ahead and type in what's missing. I'd attach a note explaining the situation to your schools. And everyone else, if you've not yet made a copy of your AMCAS app to have on hand, and make further copies from, DO IT NOW!!!!!