Default permalink structure causing Notice: Undefined property: WP_Query::$post
Finally I found what causing this problem, turns out it have to do with my pre_get_post hook. Because I using is_page to check the specific page, which is not appropriate. Here is what I did function check_page($wp_query){ if($wp_query->is_page(array(‘1′,’2′,’3’)) ){ //do something here } return $wp_query; } add_action( ‘pre_get_posts’, ‘check_page’ ); So my solution to this … Read more