So, when I try to make an already existing picture in my gallery a cover photo it gives me an error. After the error it takes me back to my profile and the cover is blank, and if I go to my gallery th... View MoreSo, when I try to make an already existing picture in my gallery a cover photo it gives me an error. After the error it takes me back to my profile and the cover is blank, and if I go to my gallery there's a "new" image but it's the the blank one.