When changing views, application crashes. Why?

Hi,

I am creating 3 views and showing one as default. When a menu is clicked, i need to show another view which i tried with the command ActivateLocalViewL(TUid::Uid(EListboxViewId)). And the application crashes here. What mistake am i making? Pls help.

And the code goes here:
------------------------

    iView1 = CView1::NewL();     
    iView2 = CView2::NewL();   
    iView3 = CView3::NewL(iEngine, iView2); 
       
   AddViewL(iView1); // Transfer ownership to base class         
    AddViewL(iView2); // Transfer ownership to base class
    AddViewL(iView3); // Transfer ownership to base class       
   
    SetDefaultViewL(*iView1);


When a menu is clicked, i am calling the following function:
------------------------------------------------------------

void CTestAppUi::ChangeView()
   {      
   ActivateLocalViewL(TUid::Uid(EView2ID));
   }
   
Thanks,
sethuraman