<div id="error"><p class="wpdberror"><strong>WordPress database error:</strong> [Duplicate entry '23-0' for key 'PRIMARY']<br /><code>INSERT INTO `wp_yoast_indexable_hierarchy` (`indexable_id`, `ancestor_id`, `depth`, `blog_id`) VALUES ('23', '0', '0', '1')</code></p></div><div id="error"><p class="wpdberror"><strong>WordPress database error:</strong> [Duplicate entry '52-23' for key 'PRIMARY']<br /><code>INSERT INTO `wp_yoast_indexable_hierarchy` (`indexable_id`, `ancestor_id`, `depth`, `blog_id`) VALUES ('52', '23', '1', '1')</code></p></div>Library