From ticket 867813 Running the attached customers test "AdminAppointmentRulesMaintenance" in either Chrome 37 or 38, step 24 fails with: '10/10/2014 5:15:50 PM' - 'Fail' : 24. Click 'Save Button (Html Input Submit Control)' ------------------------------------------------------------ Failure Information: ~~~~~~~~~~~~~~~ ExecuteCommand failed! InError set by the client. Client Error: Cannot read property 'URL' of null BrowserCommand (Type:'Information',Info:'DocumentMarkup',Action:'NotSet',Target:'null',Data:'',ClientId:'c3f8c7ec-d4e7-4856-947a-03f13b197b31',HasFrames:'False',FramesInfo:'',TargetFrameIndex:'0',InError:'True',Response:'Cannot read property 'URL' of null') InnerException: none. InnerException: ArtOfTest.WebAii.Exceptions.ExecuteCommandException: ExecuteCommand failed! InError set by the client. Client Error: Cannot read property 'URL' of null BrowserCommand (Type:'Information',Info:'DocumentMarkup',Action:'NotSet',Target:'null',Data:'',ClientId:'c3f8c7ec-d4e7-4856-947a-03f13b197b31',HasFrames:'False',FramesInfo:'',TargetFrameIndex:'0',InError:'True',Response:'Cannot read property 'URL' of null') InnerException: none. at ArtOfTest.WebAii.Core.Browser.ExecuteCommandInternal(BrowserCommand request) at ArtOfTest.WebAii.Core.Browser.ExecuteCommand(BrowserCommand request, Boolean performDomRefresh, Boolean waitUntilReady) at ArtOfTest.WebAii.Core.Browser.RefreshDomTree() at ArtOfTest.WebAii.Core.Browser.ExecuteCommand(BrowserCommand request, Boolean performDomRefresh, Boolean waitUntilReady) at ArtOfTest.WebAii.Core.Browser.ExecuteCommand(BrowserCommand request) at ArtOfTest.WebAii.Core.Actions.Click(Element targetElement) at ArtOfTest.WebAii.Controls.HtmlControls.HtmlControl.Click() at ArtOfTest.WebAii.Controls.HtmlControls.HtmlControl.Click(Boolean isClosing) at ArtOfTest.WebAii.Design.IntrinsicTranslators.Descriptors.ClickActionDescriptor.Execute(Browser browser) at ArtOfTest.WebAii.Design.Extensibility.HtmlActionDescriptor.Execute(IAutomationHost autoHost) at ArtOfTest.WebAii.Design.Execution.ExecutionEngine.ExecuteStep(Int32 order)