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 ') AND p2l1.post_id = 2 AND p2l1.translation_group != 0' at line 1]
SELECT p2l2.post_id, p2l2.language_id FROM wp_post2lang AS p2l1 INNER JOIN wp_post2lang AS p2l2 ON (p2l1.translation_group = p2l2.translation_group) WHERE p2l2.language_id IN () AND p2l1.post_id = 2 AND p2l1.translation_group != 0