Fatal error: Uncaught TypeError: Argument 1 passed to Yoast\WP\SEO\Builders\Indexable_Hierarchy_Builder::is_invalid_ancestor() must be an instance of Yoast\WP\SEO\Models\Indexable, bool given, called in /home/customer/www/randrheating.com/public_html/wp-content/plugins/wordpress-seo-premium/vendor/yoast/wordpress-seo/src/builders/indexable-hierarchy-builder.php on line 180 and defined in /home/customer/www/randrheating.com/public_html/wp-content/plugins/wordpress-seo-premium/vendor/yoast/wordpress-seo/src/builders/indexable-hierarchy-builder.php:344 Stack trace: #0 /home/customer/www/randrheating.com/public_html/wp-content/plugins/wordpress-seo-premium/vendor/yoast/wordpress-seo/src/builders/indexable-hierarchy-builder.php(180): Yoast\WP\SEO\Builders\Indexable_Hierarchy_Builder->is_invalid_ancestor(false, 49208, Array) #1 /home/customer/www/randrheating.com/public_html/wp-content/plugins/wordpress-seo-premium/vendor/yoast/wordpress-seo/src/builders/indexable-hierarchy-builder.php(112): Yoast\WP\SEO\Builders\Indexable_Hier in /home/customer/www/randrheating.com/public_html/wp-content/plugins/wordpress-seo-premium/vendor/yoast/wordpress-seo/src/builders/indexable-hierarchy-builder.php on line 344