Fatal Error: Uncaught Exeption: Unientified action

Hello,

Thank you for contacting Rank Math and we regret the inconvenience caused.

It seems like new tables are not getting created in the Database or some old plugin has left an incorrect entry.

Please follow the steps in this guide and see if that fixes the issue:
https://rankmath.com/kb/fatal-error-after-1-0-49-update/

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 see if that fixes the issue.

Please let us know how that goes.

Thank you.

Hello,

We might need to take a closer look at the settings. Please edit the first post on this ticket and include your WordPress & FTP logins in the designated Sensitive Data section.

Please do take a complete backup of your website before sharing the information with us.

It is completely secure and only our support staff has access to that section. If you want, you can use the below plugin to generate a temporary login URL to your website and share that with us instead:

https://wordpress.org/plugins/temporary-login-without-password/

You can use the above plugin in conjunction with the WP Security Audit Log to monitor what changes our staff might make on your website (if any):

https://wordpress.org/plugins/wp-security-audit-log/

We really look forward to helping you.

Hello,

Glad that helped.

Sure and if you have another question in the future, please feel free to reach out, and it will be our pleasure to assist you again.
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Thank you.