ORA-22341: cannot assign supertype instance to subtype
Cause: An attempt was made to assign or copy a supertype instance to a container (destination) that can only hold a subtype instance.
Action: Make sure the runtime type of the source of the assignment or copy is the same type as the destination or is a subtype of the destination type
Cause: An attempt was made to assign or copy a supertype instance to a container (destination) that can only hold a subtype instance.
Action: Make sure the runtime type of the source of the assignment or copy is the same type as the destination or is a subtype of the destination type
