It’s possible that the card information you entered is incorrect or out of date. You should double check the card details and make sure they are correct. Additionally, it’s possible that your card is expired or has been blocked by your card issuer. You should contact your card issuer to make sure there are no issues with your card.

Why does my card keep saying invalid card number?

It is possible that the card number you are entering is incorrect or has expired. If you are sure that the card number is entered correctly, it could be due to a limit on the card or the card being blocked. If this is the case, contact your bank or card issuer for more information.