Hello,
Thank you for contacting Rank Math and sorry for any inconvenience caused.
It seems like new tables are not getting created in the Database or some old plugin has left an incorrect entry.
1. Please follow these steps to fix the issue:
https://rankmath.com/kb/fatal-error-after-1-0-49-update/
2. Please follow only the first 2 steps and clear your caches. The following steps mentioned in the article are for advanced users.
Here’s a video screencast:
https://i.rankmath.com/KStFug
Please clear all the cache, including the server after following the above process and that should resolve the issue.
Hope that helps. Thank you and please don’t hesitate to let us know if you need our assistance with anything else.
ohh Thanks for great support. You are amazing! Thanks all.
Hello,
We are super happy that your issue is resolved. 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.