Hello,
Thanks for contacting us, and sorry for any inconvenience that might have been caused due to that.
As you’ve changed your site URL recently, please head over to WordPress Dashboard > Settings > General and make sure there are no mismatches in the WordPress URL and Site URL in those options.
If you have different website URLs in there, that would explain the error message as they need to match for the connection to happen correctly.
After that, please try disconnect and reconnecting your Rank Math account again to see if this resolves your issue.
Let us know how this goes. Looking forward to helping you.
Thank you.
Hello,
I wanted to thank you, the problem has completely disappeared. Well done and thank you.
Thanks,
Best regards,
Claude
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/#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.