Hello,
Thank you for contacting Rank Math and sorry for any inconvenience that might have been caused due to that.
Could you please remove your sitemaps on GSC and resubmit only the main sitemap(sitemap_index.xml) then allow some time for it to be crawled, this has been known to resolve the issue.
Looking forward to helping you. Thank you.
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Hi Alberto,
Thanks for the response.
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.