ArtOfTest.Common.Design.Exceptions.ElementFindException: Unable to locate element. Details: Attempting to find [Silverlight] element using 
Find logic 
 (Html): [id 'Exact' silverlightControlHost] AND [tagname 'Exact' div][tagname 'Exact' object]
 (Silverlight): [name 'Exact' ContentControl] AND [XamlTag 'Exact' contentcontrol][XamlPath 'Exact' /contentpresenter[0]/contentcontrol[0]/contentpresenter[0]/grid[name=LayoutRoot]/border[0]/radtreeview[automationid=TreeView]/grid[name=RootElement]/border[0]/grid[0]/scrollviewer[automationid=ScrollViewer]/border[0]/grid[0]/scrollcontentpresenter[name=ScrollContentPresenter]/itemspresenter[0]/treeviewpanel[0]/radtreeviewitem[9]/grid[name=RootElement]/grid[name=HeaderRow]/grid[1]/contentpresenter[name=EditHeaderElement]/stackpanel[0]/textbox[0]/grid[name=RootElement]/border[name=Border]/grid[0]/border[name=MouseOverBorder]/scrollviewer[automationid=ContentElement]/border[0]/grid[0]/scrollcontentpresenter[name=ScrollContentPresenter]/textboxview[0]]

Unable to locate element. Search failed!

   at ArtOfTest.WebAii.Design.Execution.ExecutionUtils.WaitForAllElements(IAutomationHost host, AutomationDescriptor descriptor, Int32 timeout)
   at ArtOfTest.WebAii.Design.Execution.ExecutionEngine.ExecuteStep()