MySQL server error report:Array ( [0] => Array ( [message] => MySQL Query Error ) [1] => Array ( [sql] => Update `ecshop`.`ecs_cart` set ins_method= , store_id= , ins_date='' , appointment_time='' , address_id= WHERE rec_id=28334 ) [2] => Array ( [error] => 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 ' store_id= , ins_date='' , appointment_time='' , address_id= WHERE rec_id=28334' at line 1 ) [3] => Array ( [errno] => 1064 ) )