WordPress database error: [You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '-20, 20' at line 1]
SELECT DISTINCT wp_ngg_pictures.* , GROUP_CONCAT(CONCAT_WS('@@', meta_key, meta_value)) AS 'extras' FROM `wp_ngg_pictures` LEFT OUTER JOIN `wp_postmeta` ON `wp_postmeta`.`post_id` = `extras_post_id` WHERE (`exclude` = 0) AND (`galleryid` IN (3)) GROUP BY wp_ngg_pictures.pid ORDER BY ABS(`sortorder`) ASC, `sortorder` ASC LIMIT -20, 20