We appreciate you providing a screenshot of the error message when connecting to your bank, pchoice.
The banking error 108 occurs when there's a message on your bank's website that requires a response from you. You can log in to your financial institution's (FI) website to acknowledge all the notifications.
You might not see messages at your bank's website if you turned on pop-up blockers. Just disable it to make sure all the messages are gone.
Then, log back into QuickBooks Online (QBO) and click Update on the Banking page to refresh the connection.