Hello,
Thank you for contacting Rank Math support, and sorry for any inconvenience that might have been caused due to that.
When you connect to Google services, it will list down the websites that are listed in the Google console. You need to choose one from those listing, it doesn’t allows you to write anything there. You can read more about in detail here: https://rankmath.com/kb/connect-your-google-account/
Hope that helps, and please do not hesitate to let us know if you need our assistance with anything else.
Thank you.
Hello,
Since we did not hear back from you for 15 days, we are assuming that you found the solution. We are closing this support ticket.
If you still need assistance or any other help, please feel free to open a new support ticket, and we will be more than happy to assist.
Thank you.