Your post was blank @VeraM7998 so if you have a question or issue then it's not at all clear what it is.
If you want to change your registered payment card details then you can do that via your My48 account:
If you are having any issues with that then you'll need to post details if you want assistance from the Community Forum.
If you need to contact 48 support about this then see the links in my signature below.
