Oracle Error ORA-22975: cannot create a PRIMARY KEY-based REF to this object view

Oracle Error Message

ORA-22975: cannot create a PRIMARY KEY-based REF to this object view

Reason for the Error

The object view specified in the MAKE_REF function does not have a PRIMARY KEY-based object identifier. A PRIMARY KEY-based REF cannot be created for such a view.

Solution

Specify an object view that has a PRIMARY KEY-based object identifier in the MAKE_REF function.