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 /var/www/web519/html/wp-content/plugins/wordpress-seo/src/builders/indexable-hierarchy-builder.php on line 180 and defined in /var/www/web519/html/wp-content/plugins/wordpress-seo/src/builders/indexable-hierarchy-builder.php:344 Stack trace: #0 /var/www/web519/html/wp-content/plugins/wordpress-seo/src/builders/indexable-hierarchy-builder.php(180): Yoast\WP\SEO\Builders\Indexable_Hierarchy_Builder->is_invalid_ancestor(false, 528, Array) #1 /var/www/web519/html/wp-content/plugins/wordpress-seo/src/builders/indexable-hierarchy-builder.php(112): Yoast\WP\SEO\Builders\Indexable_Hierarchy_Builder->add_ancestors_for_post(528, 3687, Array) #2 /var/www/web519/html/wp-content/plugins/wordpress-seo/src/repositories/indexable-hierarchy-repository.php(87): Yoast\WP\SEO\Builders\Indexable_Hierarchy_Builder->build(Object(Yoast\WP\SEO\Mod in /var/www/web519/html/wp-content/plugins/wordpress-seo/src/builders/indexable-hierarchy-builder.php on line 344