php_uname() and modify header information

Hello,

Thank you for contacting Rank Math and sorry for any inconvenience that might have been caused due to that.

This is quite unexpected, would you mind checking whether the warnings can be reproduced when you only have Rank Math activated on your site and all other plugins deactivated?

Looking forward to helping you. Thank you.

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Hi Seyed,

Thanks for the response.

We might need to take a closer look at the settings. Please edit the first post on this ticket and include your WP and FTP 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:

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/

We really look forward to helping you.