Hello,
Thank you for contacting Rank Math and sorry for any inconvenience that might have been caused due to that.
This may suggest that the verification process was not successful for your domain. Please skip this step on the setup wizard and head over to this link after completing the setup to try the TXT record method https://support.google.com/a/answer/183895?hl=en
To authorize Rank Math for your search console access, you can then navigate to Rank Math > General Settings > Search console tab
Looking forward to helping you. Thank you.
Thank You. All working now.
Hello,
We are super happy that this resolved your issue. If you have any other questions in the future, know that we are here to help you.
If you don’t mind me asking, could you please leave us a review (if you haven’t already) on https://wordpress.org/support/plugin/seo-by-rank-math/reviews/?rate=5#new-post about your overall experience with Rank Math? We appreciate your time and patience.
If you do have another question in the future, please feel free to create a new forum topic, and it will be our pleasure to assist you again.
Thank you.