Thanks for getting in touch and sorry for the inconvenience caused. JUst to confirm, is this issue present only when Rank Math is activated?
If so, 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: