Message Oracle PCC-02406 - Expecting the form RETURN[ING] REF INTO : only

ERROR	Expecting the form RETURN[ING] REF INTO : only
CAUSE	When using the RETURNING clause in an OBJECT CREATE statement, only a single REF INTO : is expected. This error occurs if the expression list to which REF belongs is greater than one or if there are more than one host variables supplied in the into list.
ACTION	Rewrite the RETURNING clause as per the given specification.