1    try
2                    {
3                        Stack stack = (Stack)HttpContext.Current.Session[WizardConstants.WIZARD_SESSION_STACK];
4                        WizardSessionObject old = (WizardSessionObject)stack.Pop();
5                    }
6                    catch
7                    {
8
9                    }
10
11                    Response.Redirect(UrlHelper.ResolveUrl("AddEntryToBatchWizard.aspx"));
12

Remove the duplicate Wizard Name