Your post was blank and the subject doesn't really give much info.
What exactly were you trying to pay for and how?
Any error messages?
Were you using saved card details or entering them manually?
Did payment using this card work in the past?
Has the card been updated/reissued and maybe the details changed?
Were you using the app or a web browser?
if you switch method does it help?
If you need to contact 48 support about this then see the link in my signature below or email them at support@48months.zendesk.com
