Sorry, no card matches your number. You may have mistyped the numbers, or your card may have already been picked up. Please take into consideration the fact that cards are stored only for 3 weeks after the sent date. After that the card is gone and there is no way to un-delete it.
Try again with corrected card number, or if it still does not work and you are curious about what your card looked like - go back to the Card Shop Home and send one to yourself (just to make sure it works-:)