Hello,
We apologize for the issue you are facing with Rank Math v1.0.252 breaking the header in the GetVoxel.io theme while using Elementor. Thank you for providing the video proof; it helps us understand the problem better.
This issue may be related to a conflict between the Rank Math plugin and your theme or Elementor. We recommend checking for any updates for both your theme and Elementor, as well as ensuring that all plugins are up to date.
If the problem persists, please reply to this ticket with your site URL so that a human agent from our support team can assist you further.
Thank you for bringing this to our attention, and we appreciate your patience as we work to resolve this issue!
Sources:
Fatal Error Happening on Some Installations After 1.0.49 Update » Rank Math
Hello,
Thank you for contacting us. We apologize for any inconvenience this issue may have caused.
Our developers have debugged the issue and will be releasing a minor update soon.
In the meantime, you can either:
1.Replace the code https://github.com/rankmath/seo-by-rank-math/blob/master/includes/opengraph/class-slack.php#L298, with
$content = $this->do_filter( 'frontend/time_to_read_content', wp_strip_all_tags( $post->post_content ) );
OR
2. Disable the Slack Enhanced Sharing option in the Post, Page, or any CPT settings where the Loop Grid is used.
We hope this helps. Please let us know if you have further questions or concerns.
Hello,
We have just released a quick minor update that fixes this issue.
If you are unable to see an update, please clear Rank Math’s transients from:
WP Dashboard > Rank Math > Status & Tools > Database Tools > Remove Rank Math Transients > Remove transients

Please clear the caches, server, and WordPress after updating.
Let us know how it goes. Looking forward to helping you.
Thank you.