1. There is a problem with the banking system: there is an error or fault in the banking system, which makes it impossible to display the repayment account information correctly. You can try again later or contact the bank customer service for consultation.
2. Incorrect account information: the bank will compare the provided account information with the records in the system, prompting the repayment account to change. Need to check and ensure that the correct account information is provided.
3. The account is frozen: if the account is frozen, the bank will prompt the repayment account to change. It is necessary to contact the customer service of the bank and provide relevant supporting materials so that the bank can re-open the correct account.