Hello,
Thank you for contacting Rank Math and sorry for any inconvenience that might have been caused due to that.
It looks like your other post might be set to noindex.
Please check the steps below to make sure that your post/article is set to index.
1. Make sure those posts are not selected as ‘noindex’ in WP > Posts > Your Post > Advanced Tab in Rank Math.
Screenshot:

2. Ensure that the noindex is not selected for Global or Posts meta:

3. Check the sitemap settings and check if the posts are setup to be included in the sitemaps:

Let us know if that resolves the issues.
Looking forward to helping you. Thank you.
Hello,
I have updated the sensitive data as requested. Can you please check further?
Thank you.
resolved. bugfix after the Re-setup wizard.
Hello,
Thank you for keeping in touch with us and we apologize for the unexpected delays.
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.
Thank you.