Hello,
Thank you for contacting Rank Math and sorry for any inconvenience that might have been caused due to that.
This problem can result from inconsistent write permissions on your wp-content folder. To fix this, you will need to login to your site via FTP and head over to the wp-content/plugins folder and then delete the seo-by-rankmath folder.
Next, perform a fresh install of the plugin by heading over to Plugins > Add new.
PS: This will not cause any data loss.
Looking forward to helping you. Thank you.
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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.