By default, Rank Math ignores query strings and passes them to the target URL. Without getting into details too much on why we do that, you can use this filter in your theme’s functions.php file to override that.
We might need to take a closer look at the settings. Please create a new 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:
Thank you so much. I don’t need support for this anymore. I only have one case in google and it is irrelevant for me. Cliff seems to have multiple issues. Please address the problem with him so he can be helped faster.
You can also easily recreate this in your own development environment. Just take a URL with “/?page_id=XY” (XY=number). The page does not exist then. Check it in 404 Monitor and try to create a redirection.