We have tried to connect the app to our business account to track expenses but it is not accepting the correct personal id information that we are providing. Please could you advise what to do in this situation.
Welcome to the Community. It would be my pleasure to answer any questions you may have with connecting a bank account.
When connecting the business account with QuickBooks Self-Employed, the credentials that you need to use should be the same with your login for the bank's website. If you're still unable to succeed after entering the correct information, I recommend changing your password from your financial institution's website.
Once done, you can repeat the connection process by logging into your Self-Employed account. For the detailed steps, I recommend checking this article about errors connecting a bank: