unfortunately I'm not sure how to deploy the application you've provided. Could you please give me instructions so that I may run and examine it.
In any case the error details you've provided show a playback failure. The failure occurred on a Silverlight tab control:
The given key was not present in the dictionary.
System.Collections.Generic.KeyNotFoundException: The given key was not present in the dictionary.
at System.Collections.Generic.Dictionary`2.get_Item(TKey key)
at ArtOfTest.WebAii.Design.IntrinsicTranslators.Silverlight.Descriptors.SilverlightClickActionDescriptor.Execute(IApplication hostApp)
at ArtOfTest.WebAii.Design.Extensibility.XamlActionDescriptor.Execute(IAutomationHost autoHost)
at ArtOfTest.WebAii.Design.Execution.ExecutionEngine.ExecuteStep(Int32 order)
It seems that Test Studio is trying access this control before it has been loaded properly. You need a step that will assure that the control is properly loaded before we try to navigate between tabs (screenshot 1). Put this step before the step that changes tabs.
the Telerik team
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