Hello,
Thank you for contacting us and we regret the inconvenience caused.
The page is returning a 404 error.

Could you please check if the post is set to draft?
If yes, then you can publish the post to fix the issue.
Please let us know how that goes.
Thank you.
Hello,
I checked the page source of the page, the meta description added by Rank Math is present in the code.
You can use this tool for the same as well: https://www.heymeta.com/
If you have recently published this page, it might take some time for Google to crawl and display the correct description.
Do note that if everything’s fine and Google still decides to show a different meta title/description for your search keyword, there is nothing you can do as Google sometimes ignores the custom meta info altogether and show something from the page’s content that matches the search intent better.
Here are some of the common reasons Google might not use the meta description you provided:
– The meta description is not relevant or useful (ie, just a collection of keywords).
– The exact same meta description is provided across a large number of pages.
– The meta description doesn’t match what the user is searching for, but other content on the page does.
There is a whole article dedicated to this on SearchEngineJournal:
https://www.searchenginejournal.com/google-offers-suggestions-for-avoiding-meta-description-rewrites/359884/
Here is an example showing Google changes title depending on the keyword used:

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The best you can do is optimize your meta tags to try and match the intent of the search/keyword.
Hope that helps. If you have any further question(s), please let us know.
Hello,
Since we did not hear back from you for 15 days, we are assuming that you found the solution. We are closing this support ticket.
If you still need assistance or any other help, please feel free to open a new support ticket, and we will be more than happy to assist.
Thank you.