Andrus,

>Why ABusinessEntity and mmBusinessEntity classes are not marked as abstract
>like other abstract classes in framework ?
>
>I see no reason why they can be instantiated directly.
>
>Currently they can instantiated by mistake.

Good point...whereas mmBusinessObject, mmBusinessRule, and mmDataAccess classes can be instantiated and used generically, there's no good reason to instantiate mmBusinessEntity or ABusinessEntity so we'll mark them as abstract.

Best Regards,