1. Maybe the account number entered during repayment is wrong: you can check whether the entered account number is consistent with your credit card number;

2. It may be that the account name filled in at the time of repayment is inconsistent with the account name opened: you can check your name with the account name and account opened to see if it is consistent;

3. It may be that the bank account status is abnormal: you can check the status of your own card to determine whether there are other situations such as loss reporting, freezing and account cancellation.