DedeCMS Error Warning!

Error page: /car/px_car_in.php?carid=719
Error infos: 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 'limit 0,1' at line 1
Error sql: SELECT a.*, cname, cid,cty.listpic FROM `dede_dealer` a LEFT JOIN dede_cartype c ON LEFT JOIN dede_cartype cty ON a.parentid = WHERE limit 0,1;