<SDLErrorDetails time="22-Oct-19 09:31:35">
  <ErrorMessage>Length cannot be less than zero.
Parameter name: length</ErrorMessage>
  <Exception>
    <Type>System.ArgumentOutOfRangeException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</Type>
    <ParamName>length</ParamName>
    <HelpLink />
    <Source>mscorlib</Source>
    <HResult>-2146233086</HResult>
    <StackTrace><![CDATA[   at System.String.Substring(Int32 startIndex, Int32 length)
   at StudioSubtitling.Model.FileTypeVersion..ctor(String id)
   at StudioSubtitling.ViewModel.SubtitlingViewModel.IsValidFileTypeName(IEnumerable`1 projectFiles)
   at StudioSubtitling.ViewModel.SubtitlingViewModel.IsValidFileType()
   at StudioSubtitling.ViewModel.SubtitlingViewModel.IsValidSubtitleFormat()
   at StudioSubtitling.ViewModel.SubtitlingViewModel.SetActiveDocument(Document document)
   at StudioSubtitling.ViewModel.SubtitlingViewModel.EditorController_ActiveDocumentChanged(Object sender, DocumentEventArgs e)
   at System.EventHandler`1.Invoke(Object sender, TEventArgs e)
   at Sdl.Desktop.Platform.Extensions.EventsExtensions.Raise[T](EventHandler`1 e, Object sender, T eventArgs)
   at Sdl.TranslationStudioAutomation.IntegrationApi.EditorController.OnActiveDocumentChanged(IDocument document)
   at Sdl.TranslationStudio.Api.Editor.DocumentEventHandler.Invoke(IDocument document)
   at Sdl.TranslationStudio.Editor.EditorService.set_ActiveDocument(IDocument value)
   at Sdl.TranslationStudio.Editor.EditorView.OnActiveViewPartChanged(IViewPartReference viewPartReference)
   at Sdl.Desktop.Platform.AbstractViewWithParts.Control_ActiveViewPartChanged(IViewWithParts view, IViewPartReference viewPartReference)
   at Sdl.Desktop.Platform.WinForms.DockingViewContentControl.OnActiveViewPartChanged(IViewPartReference viewPartReference)
   at Sdl.Desktop.Platform.WinForms.DockingViewContentControl.InternalActivateViewPart(IViewPartReference viewPartToActivate)
   at Sdl.Desktop.Platform.WinForms.DockingViewContentControl._tabControl_SelectedTabChanged(Object sender, SelectedTabChangedEventArgs e)
   at Infragistics.Win.UltraWinTabControl.UltraTabControlBase.OnSelectedTabChanged(SelectedTabChangedEventArgs e)
   at Infragistics.Win.UltraWinTabControl.UltraTabControlBase.RaiseEvent(UltraTabControlEventId id, EventArgs e)
   at Infragistics.Win.UltraWinTabControl.UltraTabControlBase.OnManagerSelectedTabItemChanged(Object sender, SelectedTabItemChangedEventArgs e)
   at Infragistics.Win.UltraWinTabs.TabManager.set_SelectedTabItem(ITabItem value)
   at Infragistics.Win.UltraWinTabControl.UltraTabControlBase.SetSelectedTab(UltraTab tab)
   at Infragistics.Win.UltraWinTabControl.UltraTabControlBase.set_SelectedTab(UltraTab value)
   at Sdl.Desktop.Platform.WinForms.DockingViewContentControl.AddViewPartTab(IViewPartReference viewPartReference)
   at Sdl.Desktop.Platform.WinForms.DockingViewContentControl.AddViewPart(IViewPartReference viewPartReference)
   at Sdl.Desktop.Platform.WinForms.DockingViewContentControl.NotifyViewPartAdded(IViewPartReference viewPartReference)
   at Sdl.Desktop.Platform.AbstractViewWithParts.AddViewPart(IViewPartReference viewPartReference)
   at Sdl.Desktop.Platform.AbstractDockingView.AddViewPart(IViewPartReference viewPartReference)
   at Sdl.TranslationStudio.Editor.Shared.InternalEditorContext.AddDocumentViewPart(IDocumentViewPart documentViewPart)
   at Sdl.TranslationStudio.Api.Editor.AbstractInternalDocument.AfterLoad(IJob job)]]></StackTrace>
  </Exception>
  <Environment>
    <ProductName>SDL Trados Studio</ProductName>
    <ProductVersion>15.0.0.0</ProductVersion>
    <EntryAssemblyFileVersion>15.2.0.1041</EntryAssemblyFileVersion>
    <OperatingSystem>Microsoft Windows 10 Enterprise</OperatingSystem>
    <ServicePack>NULL</ServicePack>
    <OperatingSystemLanguage>1033</OperatingSystemLanguage>
    <CodePage>1252</CodePage>
    <LoggedOnUser>danielhug</LoggedOnUser>
    <DotNetFrameWork>4.0.30319.42000</DotNetFrameWork>
    <ComputerName>ABCD</ComputerName>
    <ConnectedToNetwork>True</ConnectedToNetwork>
    <PhysicalMemory>12581868 MB</PhysicalMemory>
  </Environment>
</SDLErrorDetails>