(1), the bank card held is not within the geographical range supported by the bank.

(2) The online payment function is not enabled on the bank card.

(3) The bank card has expired, become invalid and report the loss.

(4) The balance in the bank card is insufficient.

(5). The bank card number or password entered does not match.

(6) Abnormal data transmission in the banking system;

2. Solution:

(1) Confirm the visa verification box again and use the last three digits of the seven digits on the back of the credit card.

(2) Because the credit card center relies on the check code to determine all kinds of information related to the card.

3. The method of opening visa function with China Merchants Bank credit card is as follows:

(1), please log in to the online banking popular edition/professional edition, and click online payment-online payment function application-"Visa/master verification service is enabled or cancelled.

(2) This function is applicable to overseas online payment, and setting up this service is free.

(3) If there is no CMB credit card online banking, it is recommended to handle it at the counter of a nearby bank outlet.