Hello,
Thank you for contacting us and sorry for any inconvenience that might have been caused due to that.
Assuming you are using the latest version of all the plugins and the themes (please update if not yet), it would seem like a conflict with one of the plugins or the theme you are using.
To determine that, please follow this troubleshooting guide:
https://rankmath.com/kb/check-plugin-conflicts/
Here is a video you can follow as well:
https://www.youtube.com/embed/FcIWRhcUP2c
Only the site admin would know and your users won’t be affected by this troubleshooting.
If the issue persists, please edit the first post on this ticket and include your WordPress & FTP logins in the designated Sensitive Data section.
Please do take a complete backup of your website before sharing the information with us.

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:
https://wordpress.org/plugins/temporary-login-without-password/
You can use the above plugin in conjunction with the WP Security Audit Log to monitor what changes our staff might make on your website (if any):
https://wordpress.org/plugins/wp-security-audit-log/
Looking forward to helping you.
Thank you.
Hello,
I have updated the sensitive data as requested. Can you please check further?
Thank you.
I found a fatal error using this trouble shooting. A Payment Gateway that we use is in conflict with Rank Math. If we turn on RM plugin, this other plugin crashes; don´t know how to solve the issue. Since it is a payment gateway, we cannot uninstall it. Could you help?
Hello,
It seems that the password for this username is no longer working. Can you please verify the same and let us know so we can debug the issue fully?
Alternatively, you can let us know exactly what plugin is causing the fatal error and we can try to replicate it on our local installation. If we are able to replicate it, we’ll let you know exactly how to fix the issue.
Looking forward to hearing back from you.
I have replaced for another SEO plugin and it seams to be working fine know. Thanks.
Hello,
We regret to hear that this forced you to use another SEO plugin. We respect your decision.
If you have any other questions or if you need further assistance from us, just let us know here.
Thank you.