ReSharper 4 Version=4.0.0.0, Edition=, Built=2007-08-23T16:32:43, Configuration=ReSharper_AddIn_Internal, VsVersion=9.0 JetBrains.Util.InternalErrorException: Object reference not set to an instance of an object. ---> System.NullReferenceException: Object reference not set to an instance of an object. at JetBrains.ReSharper.Daemon.Impl.SolutionAnalysis.ProjectModelWrapper.ProjectFileWrapper.UpdateTimeStamp() in w:\ReSharper\ReSharper\src\Daemon\src\Impl\SolutionAnalysis\ProjectModelWrapper\ProjectFileWrapper.cs:line 33 at JetBrains.ReSharper.Daemon.Impl.SolutionAnalysis.ProjectModelWrapper.ProjectModelWrapper.FlushChanges(ICollection`1& modifiedFiles, ICollection`1& newFiles, ICollection`1& removedFiles) in w:\ReSharper\ReSharper\src\Daemon\src\Impl\SolutionAnalysis\ProjectModelWrapper\ProjectModelWrapper.cs:line 62 at JetBrains.ReSharper.Daemon.Impl.SolutionAnalysis.SolutionAnalysisManager.FlushProjectModelWrapperChanges() in w:\ReSharper\ReSharper\src\Daemon\src\Impl\SolutionAnalysis\SolutionAnalysisManager.cs:line 243 at JetBrains.ReSharper.Daemon.Impl.SolutionAnalysis.SolutionAnalysisManager.AnalysisStageCompleted(IProjectFile file, Type stageId, IDaemonStageProcess stageProcess, ICollection`1 highlightings, Boolean fullRehighlight, ICollection`1 ranges) in w:\ReSharper\ReSharper\src\Daemon\src\Impl\SolutionAnalysis\SolutionAnalysisManager.cs:line 356 at JetBrains.ReSharper.Daemon.Impl.DaemonProcessBase.DoHighlighting(Boolean globalAnalysisStages, Boolean updateSolutionAnalysisResults) in w:\ReSharper\ReSharper\src\Daemon\src\Impl\DaemonProcessBase.cs:line 325 at JetBrains.ReSharper.Daemon.Impl.VisibleDocumentDaemonProcess.DoHighlighting(Boolean globalAnalysisStages, Boolean updateSolutionAnalysisResults) in w:\ReSharper\ReSharper\src\Daemon\src\Impl\VisibleDocumentDaemonProcess.cs:line 232 at JetBrains.ReSharper.Daemon.Impl.VisibleDocumentDaemonProcess.<>c_DisplayClass1.<EnqueueHighlightingJob>b_0() in w:\ReSharper\ReSharper\src\Daemon\src\Impl\VisibleDocumentDaemonProcess.cs:line 220 at JetBrains.ReSharper.Daemon.Impl.DaemonThread.ThreadProc() in w:\ReSharper\ReSharper\src\Daemon\src\Impl\DaemonThread.cs:line 132 — End of inner exception stack trace — at JetBrains.Util.Logger.LogExceptionEx(Exception, String, Boolean) in w:\ReSharper\ReSharper\Platform\src\JetBrains.Util\src\Logger\Logger.cs:line 268 column 4 at JetBrains.Util.Logger.LogException(Exception) in w:\ReSharper\ReSharper\Platform\src\JetBrains.Util\src\Logger\Logger.cs:line 278 column 3 at JetBrains.ReSharper.Daemon.Impl.DaemonThread.ThreadProc() in w:\ReSharper\ReSharper\src\Daemon\src\Impl\DaemonThread.cs:line 142 column 13 at System.Threading.ThreadHelper.ThreadStart_Context(Object) at System.Threading.ExecutionContext.Run(ExecutionContext, ContextCallback, Object) at System.Threading.ThreadHelper.ThreadStart()