Hello,
Thank you for getting in touch and I am extremely sorry about the trouble this might have caused.
We have fixed this issue in our beta update: https://rankmath.com/changelog/#beta
You can enable the Beta update by following this:
https://rankmath.com/kb/version-control/#beta-updates

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

Please clear the caches, server, and WordPress after updating.
If the issue is still not resolved, please let us know.
We are here to assist. Thank you.
I just did the update to 1.0.48.2 and everything is working fine again. Thanks for the quick fix!
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.