Email set-up problem

I am failing to set-up email. see screenshot. Email is hosted at wix but i use gsuite and i loging on gmail.com.
Please help

Have you followed this guide on Gmail? https://www.manager.io/guides/22820

Thanks Lubos. my domain is hosted at wix and is a gsuite so i had to allow insecure apps via my admin console at gsuite. help is here for other users https://support.wix.com/en/article/allowing-g-suite-mailbox-access-for-less-secure-apps