Possible solution to this problem

Hello,

We apologize for the issue you are facing with the warnings related to the Rank Math plugin. These warnings typically indicate that there is an attempt to access a property of an object that is null, which can happen due to various reasons such as plugin conflicts or issues with the theme.

Here are some steps you can take to troubleshoot and potentially resolve this issue:

1. Update Plugins and Themes: Ensure that all your plugins and themes are updated to their latest versions. Sometimes, compatibility issues arise from outdated software.

2. Check for Plugin Conflicts: Deactivate all other plugins except for Rank Math and see if the warnings persist. If the warnings disappear, reactivate the plugins one by one to identify which one is causing the conflict.

3. Switch Themes: Temporarily switch to a default WordPress theme (like Twenty Twenty-One) to see if the issue is related to your current theme.

4. Debugging: Enable debugging in WordPress by adding the following line to your wp-config.php file:

   define( 'WP_DEBUG', true );

   This may provide more detailed error messages that can help identify the source of the problem.

5. Contact Support: If the issue persists after trying the above steps, please reply to this ticket, and a human agent from the Rank Math Support team will assist you further.

Thank you for raising this concern, and we hope these steps help resolve the warnings you’re encountering!

Sources:
How to Fix Undefined Offset: 0 Warning » Rank Math