SELECT vid_id FROM videos WHERE 1  AND converted='1' AND broadcast = 0  AND (( tags LIKE '%|J.|%'))  ORDER BY CASE  WHEN ( tags LIKE '%|J.|%' ) 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