Hello,
Thank you for contacting Rank Math and sorry for any inconvenience that might have been caused due to that.
Please enable the Advanced Mode in Rank Math:

Once done, head over to your WordPress admin area > Rank Math > Status & Tools > Database tools > Flush SEO analysis data and Remove Rank Math Transients and run the SEO Analysis again to see if the issue is fixed.

If the issue persists after following the above steps, please share your website’s URL so that we can investigate further.
Looking forward to helping you.
Thank you.
Looking forward to helping you. Thank you.
I have tried your method, but unfortunately the problem still exists. Please check my website URL in sensitive data
Hello,
We might need to take a closer look at the settings. Please edit the first post on this ticket and include your WordPress login 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/
We really look forward to helping you.
Thank you for your support. I checked today and the mobile snapshot has been displayed properly.
Hello,
I am glad that the issue has been sorted out.
This issue might be just a temporary issue that eventually resolves itself.
If you experience this issue again, do let us know and we will be more than happy to further troubleshoot it.
Looking forward to helping you on this one.