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.
The lowest supported PHP version to install Rank Math is 7.2, but we recommend using the latest version of PHP. Even WordPress themselves recommends that you use PHP 7.4 at least. You can also try using PHP 8.0 for the latest stable version.
Here’s a link for more information:
https://rankmath.com/kb/requirements/#php
I hope that helps.
Thank you.
Hello,
Since we did not hear back from you for 15 days, we are assuming that you found the solution. We are closing this support ticket.
If you still need assistance or any other help, please feel free to open a new support ticket, and we will be more than happy to assist.
Thank you.
