Invalid values for properties Instance.{0} and Instance.{1}. If you set Instance.{0} then you must provide a valid Instance.{1}. ...

Invalid values for properties Instance.{0} and Instance.{1}. If you set Instance.{0} then you must provide a valid Instance.{1}. If you provide an Instance.{1} then you must set Instance.{0}. You must set these properties correctly to encrypt or decrypt argument values.