ошибка 404

вопрос решил

function fix_missing_404_on_paginated_page() {
    global $wp_query,$page,$paged;
 
    if (!isset($page)) $page = get_query_var('page');
    if (!isset($paged)) $paged = get_query_var('paged');
    if (is_page() || is_single()) {
        $realpagescount = count( explode( '<!--nextpage-->', $wp_query->post->post_content ) );
 
        if ( (isset($page) && isset($realpagescount) && $page >= $realpagescount) || (is_paged() && isset($paged) && $paged >=0 ) ){
        //wp_redirect( home_url() );
            nocache_headers();
            status_header( '404' );
            $wp_query->is_404=true;
            $wp_query->is_single=false;
            $wp_query->is_singular=false;
            $wp_query->post_count=0;
            $wp_query->page=0;
            $wp_query->query['page']='';
            $wp_query->query['posts']=array();
            $wp_query->query['post']=array();
            $wp_query->posts=array();
            $wp_query->post=array();
            $wp_query->queried_object=array();
            $wp_query->queried_object_id=0;
            locate_template('404.php', true);
            exit;
        }
    }
}
add_action('template_redirect', 'fix_missing_404_on_paginated_page');