Touring plans is reporting the possibility of a Disney reservation software glitch. If you made a reservation last weekend you might want to confirm them ASAP.
http://blog.touringplans.com/2012/03/05/disney-reservations-glitch-causes-erroneous-bookings/
http://blog.touringplans.com/2012/03/05/disney-reservations-glitch-causes-erroneous-bookings/