SQL failed; SQL: SELECT
SQL_CALC_FOUND_ROWS DISTINCT `t`.`name`, `t`.`id`, `t`.`slug`, `t`.`file`, `t`.`tracknumber`
FROM
`wp_pod` AS `p`
INNER JOIN
`wp_pod_tbl_tracks` AS `t` ON `t`.`id` = `p`.`tbl_row_id`
LEFT JOIN `wp_pod_rel` AS `rel_parent` ON `rel_parent`.`field_id` = 45 AND `rel_parent`.`pod_id` = `p`.id
LEFT JOIN `wp_pod_tbl_releases` AS `parent` ON `parent`.`id` = `rel_parent`.`tbl_row_id`
WHERE
`p`.`datatype` = 3
AND ( `parent`.`id` = )
ORDER BY `t`.`tracknumber` ASC; Response: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')
ORDER BY `t`.`tracknumber` ASC' at line 13