I have just purchased an Olympus u Mju 700 7.1 mexapixel camera. I also bougth the Olympus "H" XD Picture Card 1gb to go with it. I have not yet used the camera so there are no pictures within the internal memory. Last night I inserted the card for the first time only to be told there is a "card error". Help - any ideas what I need to do? Is the card knackered?!!