Error message "Apple Pay is not accepted"
I received a message that my Apple Pay was not accepted. I attempted to determine what the issue was. I looked at my default account and it only displayed the last 4 digits of my credit card. I attempted to remove the card and it would not allow me to. I also attempted to add the credit card information to another payment method and it said I already had that account set up. How do I find out what the issue is?
[Re-Titled by Moderator]
iPhone 13 Pro Max, iOS 18