WordPress database error: [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 'OR (nu2.group_id = wp_named_users_groups_relations.group_id
AND wp_named_u' at line 8]
SELECT SQL_CALC_FOUND_ROWS wp_posts.* FROM wp_posts
INNER JOIN wp_postmeta ON (wp_posts.ID = wp_postmeta.post_id) WHERE 1=1 AND wp_posts.post_type = 'post' AND (wp_posts.post_status = 'publish') AND wp_postmeta.meta_key = 'skyali_sticky' AND wp_posts.ID NOT IN (
SELECT nu1.post_id
FROM wp_named_users AS nu1 LEFT JOIN (
SELECT nu2.post_id
FROM wp_named_users AS nu2, wp_named_users_groups_relations
WHERE nu2.user_id =
OR (nu2.group_id = wp_named_users_groups_relations.group_id
AND wp_named_users_groups_relations.user_id = )
) AS nu2 ON nu1.post_id = nu2.post_id
WHERE nu2.post_id IS NULL
AND nu1.post_id NOT IN (0)
) GROUP BY wp_posts.ID ORDER BY wp_posts.post_modified DESC LIMIT 0, 1