Thanks for getting in touch and I am extremely sorry about the trouble this might have caused.
There are a few things you must check for in order to see why the posts aren’t getting indexed.
1. Make sure the post is not selected as ‘noindex’ in WP > Posts > Your Post > Advanced Tab in Rank Math.
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:
Please note that it is completely upto Google if they want to index or not index your website. So, if you haven’t willingly or accidentally made your posts noindex and Google still isn’t indexing your page – it means that either Google doesn’t want to index or hasn’t crawled your page yet because it hasn’t allocated that much crawl budget to your website.