Fatal error: Uncaught Error:

REF E.g.:
https://www.youngpassionnails.co.za/product/electric-nail-drill-machine-nail-e-filer/

HOW TO RESOLVE:
Fatal error: Uncaught Error: Object of class WP_Error could not be converted to string in /usr/www/users/youngadptg/wp-includes/formatting.php:1098 Stack trace: #0 /usr/www/users/youngadptg/wp-includes/formatting.php(4625): wp_check_invalid_utf8(Object(WP_Error)) #1 /usr/www/users/youngadptg/wp-content/themes/kadence/inc/components/woocommerce/component.php(603): esc_attr(Object(WP_Error)) #2 /usr/www/users/youngadptg/wp-includes/class-wp-hook.php(308): Kadence\Woocommerce\Component->woocommerce_product_single_category(”) #3 /usr/www/users/youngadptg/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(”, Array) #4 /usr/www/users/youngadptg/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #5 /usr/www/users/youngadptg/wp-content/plugins/woocommerce/templates/content-single-product.php(60): do_action(‘woocommerce_sin…’) #6 /usr/www/users/youngadptg/wp-includes/template.php(785): require(‘/usr/www/users/…’) #7 /usr/www/users/youngadptg/wp-content/plugins/woocommerce/includes/wc-core-functions.php(284): load_template(‘/usr/www/users/…’, false) #8 /usr/www/users/youngadptg/wp-content/plugins/woocommerce/templates/single-product.php(37): wc_get_template_part(‘content’, ‘single-product’) #9 /usr/www/users/youngadptg/wp-includes/template-loader.php(106): include(‘/usr/www/users/…’) #10 /usr/www/users/youngadptg/wp-blog-header.php(19): require_once(‘/usr/www/users/…’) #11 /usr/www/users/youngadptg/index.php(17): require(‘/usr/www/users/…’) #12 {main} thrown in /usr/www/users/youngadptg/wp-includes/formatting.php on line 1098

There has been a critical error on this website.

SCENARIO:
This error occurs in two out of nine categories on all Woocommerece products.
Once I turn off Rank Math the error goes away.
Installed Yoast and the error does not occur.

CATEGORIES:
1.) Electric Nail File Machine – Nail Drill Machine
2.) Body Wax Products