SELECT vid_id FROM videos WHERE 1 AND converted='1' AND broadcast = 0 AND approved='1' AND (( tags LIKE '%|tg|%')) ORDER BY CASE WHEN ( tags LIKE '%|tg|%' ) THEN 0 WHEN () THEN 3 ELSE 4 END LIMIT 0,20: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 ') THEN 3 ELSE 4 END LIMIT 0,20' at line 1