1064 - 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 ') and astatus = 0 and zugabe = 0 and ((aart = '11')) group by gruppe' at line 1

select gruppe from article_general where (tart = 1 or tart = 0) and bestand >= 1 and () and astatus = 0 and zugabe = 0 and ((aart = '11')) group by gruppe