We might need to take a closer look at the settings. Please edit the first post on this ticket and include your WP logins in the designated Sensitive Data section.
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:
I am sorry but the login credentials do not seem to be valid.
Could you please generate a new username/password and test it so that we can check the issue for you?
We would be interested in checking the kind of errors that are logged on the server logs, please share some temporary FTP as well.
Thanks for getting back to us and sorry for the delay in getting back to you.
The Unyson plugin contains an SEO module that was activated on your site. It is not recommended to run more than one SEO plugin on the same site.
The 404 error seems to work and log the same error when Unyson is activated and when deactivated.
Could you please check whether this is now working?
When you select a 404 page in the Theme Settings, the Unyson plugin creates an internal redirect rule which redirects all the 404 pages to this selected page. So it’s not a 404 page, it’s a standard WordPress page with 404-page content and that’s the reason why Rank Math couldn’t detect it. Instead of using this option, I would suggest you add this page content in 404.php file. That will fix this issue.