Restricted scopes with customer @gmail.com accounts

When I tried to create any Automation with my GMAIL getting the error message, pls help and let me know how to solve - “It is not possible to use restricted scopes with customer @gmail.com accounts. For more information on how to connect restricted scopes visit our documentation.”

I just got this error too. hopefully someone can help. It says to visit our documentation but I couldnt find any.