E2168 Field or method identifier expected, o que é isso?

    published
      property MainMenu : TMenu read FMainMenu write SetMainMenu;  <<< ERRO

  TUCControlRight = class(TPersistent) // Menu / ActionList/ActionManager ou ActionMainMenuBar a serem Controlados
    private
      FActionList: TActionList;
      {$IFDEF UCACTMANAGER}
      FActionManager: TActionManager;
      FActionMainMenuBar : TActionMainMenuBar;
    FMainMenu: TMenu;  <<<<<

procedure TUCControlRight.SetMainMenu(const Value: TMenu);
begin
  FMainMenu := Value;
  if Value <> nil then Value.FreeNotification(Self.MainMenu);
end;