Hello there, Claire.
The error message "Something unexpected happened" usually indicates a temporary connection issue between QuickBooks and your bank.
To troubleshoot, please log in to your online banking account to check for any maintenance notifications or error messages that can affect the connection between your bank and QuickBooks.
In the meantime, you can continue managing your banking tasks by manually uploading your bank transactions. This will ensure that your financial data remains up-to-date in our system.
Our team is here to support you every step of the way. Please don't hesitate to reach out if you need further assistance in reconnecting your bank accounts to QuickBooks.