Fixed, maybe others can do the same.
Okay, so I couldn’t login to the backend, was getting a PHP error. I loaded up the FTP and renamed the Rank math folder, logged back in, and then cleared my WP-OPtimize cache, and then re-activated the plugin and it works now.
Super weird.
Hello,
Thank you for contacting Rank Math and bringing your concern to our attention. I’m sorry for any inconvenience this issue may have caused you.
It seems that you have already marked this ticket as resolved. Thank you for your input about this issue.
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Thank you.