First of all, the quota is used up.
If the card limit runs out, the payment will fail.
Second, exceeding the maximum limit.
If the maximum limit of days or single payment is exceeded, the payment will also fail.
Three. Lock or freeze
If the card is locked or frozen, the cardholder does not know, and direct payment will fail.
Fourth, credit cards are not supported.
Unless otherwise specified, credit cards are generally not supported. Please pay attention to the description of trading rules before operating or trading.
Tip: There are many reasons above. Because it is a case, it is impossible to say all the more reasons one by one and treat the specific problems concretely.