I wasn't doing anything. I was looking at a new snapshot. Build302 JetBrains.ReSharper.Util.InternalErrorException: Index was outside the bounds of the array. An exception has occurred during request execution ---> System.IndexOutOfRangeException: Index was outside the bounds of the array. at JetBrains.dotTrace.Components.SourcePreview.OffsetByCoordsProvider.GetOffsetByCoords(Int32 line, Int32 column) in C:\Agent\work\Server\dotTrace-Main\src\Components\src\SourcePreview\impl\OffsetByCoordsProvider.cs:line 29 at JetBrains.dotTrace.SourcePreview.RangeResultForFunction.Create(String sourceCode, LanguageType languageType, String fileName, SourceInfo info, FunctionSignature sign) in C:\Agent\work\Server\dotTrace-Main\src\Components\src\SourcePreview\impl\RangeResultForFunction.cs:line 54 at JetBrains.dotTrace.SourcePreview.SourceViewerControl.UpdateSignature(UpdateSignatureMode mode) in C:\Agent\work\Server\dotTrace-Main\src\Components\src\SourcePreview\impl\SourceViewerControl.cs:line 403 at JetBrains.dotTrace.SourcePreview.SourceViewerControl.set_FunctionSignature(FunctionSignature value) in C:\Agent\work\Server\dotTrace-Main\src\Components\src\SourcePreview\impl\SourceViewerControl.cs:line 848 at JetBrains.dotTrace.UIModel.UI.SignatureView.SourceViewManager.Update() in C:\Agent\work\Server\dotTrace-Main\src\UIModel\src\UI\SignatureView\SourceViewManager.cs:line 118 at JetBrains.ReSharper.Util.Alarm.OnTimer(Object sender, EventArgs e) in c:\Agent\work\Server\ReSharper2.0\src\Shell\src\Alarm.cs:line 202 — End of inner exception stack trace — at JetBrains.ReSharper.Util.Logger.LogExceptionEx(Exception, String, Boolean) in c:\Agent\work\Server\ReSharper2.0\src\Util\src\Logger.cs:line 331 column 9 at JetBrains.ReSharper.Util.Logger.LogException(String, Exception) in c:\Agent\work\Server\ReSharper2.0\src\Util\src\Logger.cs:line 348 column 5 at JetBrains.ReSharper.Util.Alarm.OnTimer(Object, EventArgs) in c:\Agent\work\Server\ReSharper2.0\src\Shell\src\Alarm.cs:line 206 column 15 at System.Windows.Forms.Timer.OnTick(EventArgs) at System.Windows.Forms.TimerNativeWindow.WndProc(Message&) at System.Windows.Forms.NativeWindow.Callback(IntPtr, Int32, IntPtr, IntPtr) at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG&) at System.Windows.Forms.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(Int32, Int32, Int32) at System.Windows.Forms.ThreadContext.RunMessageLoopInner(Int32, ApplicationContext) at System.Windows.Forms.ThreadContext.RunMessageLoop(Int32, ApplicationContext) at System.Windows.Forms.Application.Run(Form) at JetBrains.dotTrace.PocketTasks.RunMainFormTask.Execute() in C:\Agent\work\Server\dotTrace-Main\src\dotTrace2\src\PocketTasks\RunMainFormTask.cs:line 17 column 3 at JetBrains.dotTrace.MainStuff.Main(String[]) in C:\Agent\work\Server\dotTrace-Main\src\dotTrace2\src\MainStuff.cs:line 29 column 6