Hello @tengyart, @alexad200 & @rjvfh24
Thank you for your patience.
We released a quick Beta update you can try to see if that helps.
Please enable the Beta update by following this:
https://rankmath.com/kb/version-control/#beta-updates
https://rankmath.com/wp-content/uploads/2020/02/Rank-Math-Beta-Testing.jpg
If you are unable to see an update, please clear Rank Math’s transients from:
WP Dashboard >> Rank Math >> Status & Tools >> Database Tools >> Remove Rank Math Transients >> Remove transients
https://i.rankmath.com/Pbu5J6
Please clear the caches from the server and WordPress after updating.
You can disable the Beta updates once you update to the latest version and the issue is fixed.
Hope that helps.