Has this issue been resolved yet? I am getting the same error when trying to set up my gmail with the recommended security enabled. If I set up without the security enabled, I get a different error saying "We were unable to connect to the email server for your email provider." Please help!
If you have other concerns in the future, such as setting up advanced reports, online banking, manage reconciliation, transactions, import and export data lists, etc. feel free to visit our Help article page.
Feel free to tag me if you have additional questions regarding this, christineg. I'm always here to help. Have a great day!