QuickBooks Error 108 occurs when a message from your bank or financial institution requires action. This error typically happens during online banking updates or transactions. To resolve it, log into your bank's website and address any alerts or notifications. Ensure your bank's login credentials are correct in QuickBooks, and update your banking information if necessary. Disable any pop-up blockers that might interfere with the connection. If the error continues, contact your bank or QuickBooks support for further assistance to ensure seamless online banking integration.

Learn More: https://techcommunity.microsoft.com/t5/windows-10/how-to-fix-error-108-in-q-b-online/m-p/4185438