First, the transaction amount of the credit card is lower than the available amount. For this, the customer can repay the previous bill arrears first, and then use it after the quota is restored; You can also apply for temporary places.
Secondly, the credit card status is abnormal, such as freezing, cancellation and expiration of the issuing bank. In this case, the customer can only change the payment method. If it is because the card is frozen, then find out the reason for freezing and solve the problem. For example, because overdue is frozen, customers need to repay overdue debts quickly and then repair damaged credit.
Also, the consumption amount has reached the prescribed limit. If it is a one-day consumption limit, it will return to normal the next day.
It is also possible that the system has monitored the current trading environment and found risks. At this point, the customer can change a payment method, and the card can be used normally after the system risk control is completed.
If businesses are blacklisted by banks, or industries are banned by banks, such as wholesale, real estate and wealth management. Customers can't spend in such industries and businesses, so they should pay attention to avoiding them in the future.