Hello,
Thank you for contacting Rank Math, and sorry for any inconvenience caused.
Please ensure that you are using the correct tags in the custom permalink structure.
After saving the permalinks settings, please clear your website and browser cache and check again.
I hope this helps. Looking forward to helping you.
Hello,
We are super happy that your issue is resolved. 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.