SQL ERROR:

SQL: Select `ProductType`.* From `ProductType` where (status=1 and subcategory_id=) order by sequence DESC 

Message: 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 ') order by sequence DESC' at line 1

Fatal error: Call to a member function MoveFirst() on a non-object in /var/www/clients/client37/web34/web/cms/system.2.5.14.0219/class/DList.class.php on line 50