It is also possible that the bank has locked the restrictions.
There are also POS anomalies or line interruptions that may have expired.
Or some payments have not been paid.
Your card has set a pos consumption limit.
Credit Card (English: credit card), also known as credit card. It is a non-cash transaction payment method and a simple credit service.
Credit card is generally a special carrier plastic card with consumer credit, which is 85.60mm long, 53.98mm wide and 1mm thick. It is issued by banks to individuals and units, so that they can shop, spend and deposit and withdraw cash from banks. The form is a card with the name, expiration date, serial number and cardholder's name printed on the front, and the card surface has a chip, a magnetic stripe and a signature strip.
Credit cards are issued to cardholders by banks or credit card companies according to the credit and financial resources of users. Cardholders do not need to pay cash when using credit cards, but will make repayment on the billing date.