Cannot load CXTPMenuBar from archive

int WSDIFrame::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
 if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
  return -1;
 if (!InitCommandBars())
 {
  return -1;      // fail to create
 }
 return 0;
}
BOOL WSDIFrame::LoadFrame(UINT nIDResource, DWORD dwDefaultStyle, CWnd* pParentWnd, CCreateContext* pContext)
{
 if (!CFrameWnd::LoadFrame(nIDResource, dwDefaultStyle, pParentWnd, pContext))
  return FALSE;
 GenerateCommandBars();
 return TRUE;
}
void WSDIFrame::GenerateCommandBars()
{
 CXTPCommandBars* pCommandBars = GetCommandBars();
 pCommandBars->SetMenu(_T("Menu Bar"), IDR_WHITEBOARD);
 HRSRC hRsrs = FindResource(AfxGetInstanceHandle(), MAKEINTRESOURCE(IDR_FORM2), "RT_RCDATA");
 ASSERT(hRsrs);
 if (hRsrs)
 {
  HGLOBAL hGlobal = LoadResource(AfxGetInstanceHandle(), hRsrs);
  if (hGlobal)
  {
   DWORD dwSize = SizeofResource(AfxGetInstanceHandle(), hRsrs);
   LPVOID pData = LockResource(hGlobal);
   CMemFile file((BYTE*)pData, dwSize);
   CArchive ar(&file, CArchive::load | CArchive::bNoFlushOnDelete);
 
 
   // I checked here,CMemFile file has the same content as the input form2.xcb file.
   // so, the input of LoadDesignerBars should be OK
   
   pCommandBars->LoadDesignerBars(ar);
   
   //but there are some exception here.
   //debug info
   //  Warning: Cannot load CXTPMenuBar from archive.  Class not defined.
   //  CArchive exception: badClass.
   //  CXTPCommandBars::LoadCommand BarList. Archive exception   
  }
 }
}
BOOL WSDIFrame::OnCreateClient(LPCREATESTRUCT lpcs, CCreateContext* pContext) 
{
 //create some client panes
 //.....
 return TRUE;
}
BOOL WSDIFrame::PreCreateWindow(CREATESTRUCT& cs) 
{
 if(!CFrameWnd::PreCreateWindow(cs))
  return FALSE;
 cs.dwExStyle &= ~WS_EX_CLIENTEDGE;
 cs.dwExStyle  &=~WS_EX_WINDOWEDGE;
 cs.dwExStyle &=~WS_EX_DLGMODALFRAME;
 return TRUE;
}

//class WSDITemplate : public CSingleDocTemplate  
//here is how the WSDIFrame was created
CFrameWnd* WSDITemplate::CreateNewFrame(CDocument* pDoc,
        CFrameWnd* pOther)
{
  // here m_pFramClass == "WSDIFrame"
    m_pFrameWnd = (CFrameWnd*)m_pFrameClass->CreateObject();
  m_pFrameWnd->LoadFrame(IDR_WHITEBOARD,WS_CHIL D|WS_VISIBLE,m_pParentWnd,&context)) 
}
 
//class CWCSWhiteBoardCtrl : public WSDIControl
//class WSDIControl : public COleControl
//here is how the WSDITemplate was created
CWCSWhiteBoardCtrl::CWCSWhiteBoardCtrl()
{
 InitializeIIDs(&IID_DWCSWhiteBoard, &IID_DWCSWhiteBoardEvents);
    SetInitialSize(200, 200);
 WSDITemplate* temp=new WSDITemplate(
        RUNTIME_CLASS(WSDIDoc),
        RUNTIME_CLASS(WSDIFrame),
  RUNTIME_CLASS(WSDIView));
 temp->SetContainerInfo(IDR_WHITEBOARD);
  AddDocTemplate(temp);
}