Tokenization Request is declined. Reason code 481 Reason Message: The order has been rejected by Decision Manager

Facing issue for last 3 days. Yesterday customer care representative working tp activate the mobile line and faced issue that my credit card is not working (Tried all working credit cards), then they asked me to use xfinity app to activate  for which getting error Tokenization Request is declined. Reason code 481 Reason Message: The order has been rejected by Decision Manager

Last resort they asked to go to xfinity store to very my ID etc, whic also I did yesterday and they are also not able to activate the line. Wasted more than 3 hours so far.