Hello,
Thank you for contacting Rank Math and bringing your concern to our attention. I’m sorry for any inconvenience this issue may have caused you.
Could you please also share how are you displaying the breadcrumbs for your website? Are you using the following code in your theme template files to display breadcrumbs?
<?php if (function_exists('rank_math_the_breadcrumbs')) rank_math_the_breadcrumbs(); ?>
Please also share some affected URLs to further investigate this issue. You can add them in the designated Sensitive Data section.

It is completely secure, and only our support staff has access to that section.
Thank you, and looking forward to your update.
Hello,
We are super happy that your issue is resolved. If you have any other questions in the future, know that we are here to help you.
If you don’t mind me asking, could you please leave us a review (if you haven’t already) on https://wordpress.org/support/plugin/seo-by-rank-math/reviews/#new-post about your overall experience with Rank Math? We appreciate your time and patience.
If you do have another question in the future, please feel free to create a new forum topic, and it will be our pleasure to assist you again.
Thank you.