Error Message: Item has already been added. Key in dictionary: 'System.Object' Key being added: 'System.Object' Stack Trace: at System.Collections.ListDictionaryInternal.Add(Object key, Object value) at Microsoft.ApplicationInsights.SnapshotCollector.ExceptionExtensions.TryUpdateHasBeenProcessed(Exception ex) at Microsoft.ApplicationInsights.SnapshotCollector.SnapshotCollectorTelemetryProcessor.ProcessExceptionTelemetry(ExceptionTelemetry exceptionTelemetry) at Microsoft.ApplicationInsights.SnapshotCollector.SnapshotCollectorTelemetryProcessor.Process(ITelemetry item) at Microsoft.ApplicationInsights.WindowsServer.TelemetryChannel.SamplingTelemetryProcessor.Process(ITelemetry item) at Microsoft.ApplicationInsights.WindowsServer.TelemetryChannel.SamplingTelemetryProcessor.Process(ITelemetry item) at Microsoft.ApplicationInsights.Extensibility.AutocollectedMetricsExtractor.Process(ITelemetry item) at Microsoft.ApplicationInsights.Extensibility.PerfCounterCollector.QuickPulse.QuickPulseTelemetryProcessor.Process(ITelemetry telemetry) at Microsoft.ApplicationInsights.TelemetryClient.Track(ITelemetry telemetry) at NPISite.ErrorHandler.AiHandleErrorAttribute.OnException(ExceptionContext filterContext) in D:\gd\Dev\NPI\NPISite\ErrorHandler\AiHandleErrorAttribute.cs:line 21 at System.Web.Mvc.ControllerActionInvoker.InvokeExceptionFilters(ControllerContext controllerContext, IList`1 filters, Exception exception) at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass3_1.b__5(IAsyncResult asyncResult) at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) at System.Web.Mvc.Controller.<>c.b__152_1(IAsyncResult asyncResult, ExecuteCoreState innerState) at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) at System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) at System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) at System.Web.Mvc.MvcHandler.<>c.b__20_1(IAsyncResult asyncResult, ProcessRequestState innerState) at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) at System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.<>c__DisplayClass285_0.b__0() at System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)