Quickbooks wont allow me to update my banking details, i get this error message. Error code:-81624

Hello, claudia19. 

I'm here to make sure that you'll be able to surpass the error code you've encountered and able to update your banking information in QuickBooks Online. 

The error code 81624 usually occurs when the information is incorrect like, the address or the details we enter is not matching with the financial institution. We need to make sure everything is accurate and correct when updating the data. You'll want to contact your financial institution provider to check the details.  

You can refer to this article on how to contact support and their availability: QuickBooks Online Support. 

Know that I'll be right here to assist you further if there's anything else that you need. Just leave a reply below. Have a nice day!