Same thing happened to me! Luckily the lady I bought food from was nice enough to allow me to eat for free when my card kept rejecting. . . So I guess I should view that as a success of sorts. I'll take a free meal when I can get it haha. After an hour of freaking out due to my balance reading $0.00 the 24-hour rep from BB&T was able to put my mind to ease. Said that everything was going to be okay and that it was an error that encompassed a vast majority of BB&T clients. Aside from the short freak-out session I'm not too pissed, though I have learned a valuable lesson and have the majority of my funds redirected to my other bank.
