A specific customers project will cause Test Studio to crash after you use Resolve Failure to change the target element. Details are attached to the internal bug report. Exception traced: ERROR: System.NullReferenceException Object reference not set to an instance of an object. Object reference not set to an instance of an object. at ArtOfTest.WebAii.Design.Execution.DiagnosticsHelper.UpdateFindExpressionForMultipleElements(ElementNode node, String dataSourceFilter, FindExpressionElement newExpression, Boolean onlyInjectDataExpression, Type newNodeType) at ArtOfTest.WebAii.Design.Execution.DiagnosticsHelper.UpdateFindExpressionForElement(ElementNode node, FindExpressionElement newExpression, Type newNodeType, Boolean onlyInjectDataExpression, String dataSourceFilter) at ArtOfTest.WebAii.Design.UI.FindElementView.Save() at ArtOfTest.WebAii.Design.UI.FindElementView.OnPrePrompt(DialogResult prompt) at ArtOfTest.WebAii.Design.UI.StepDebug.StepDebugFailureUI.OnPrePrompt(DialogResult prompt)