<SDLErrorDetails time="2021/3/4 18:19:19">
  <ErrorMessage>未将对象引用设置到对象的实例。</ErrorMessage>
  <Exception>
    <Type>System.NullReferenceException, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</Type>
    <HelpLink />
    <Source>Sdl.TranslationStudio.LanguageCloud</Source>
    <HResult>-2147467261</HResult>
    <StackTrace><![CDATA[   在 Sdl.TranslationStudio.LanguageCloud.Subscription.SubscriptionLicense.GetTargetLanguagesQuota()
   在 Sdl.TranslationStudio.LanguageCloud.Subscription.SubscriptionLicense.get_MaxTargetLanguages()
   在 Sdl.TranslationStudio.Common.ProjectLanguagesControl.CustomControl.ViewModel.LanguageCloudCustomLanguagesViewModel.CheckLanguageRestrictions()
   在 Sdl.TranslationStudio.Common.ProjectLanguagesControl.CustomControl.ViewModel.CustomLanguagesViewModel.OnSelectedItemsChanged()
   在 Sdl.Desktop.Platform.WPF.Command.RelayCommand.Execute(Object parameter)
   在 Sdl.MultiSelectComboBox.Behaviours.EventBehaviourFactory.ExecuteCommandBehaviour.HandleEvent(Object sender, EventArgs e)
   在 Sdl.MultiSelectComboBox.Behaviours.EventBehaviourFactory.ExecuteCommandOnRoutedEventBehaviour.EventHandler(Object sender, RoutedEventArgs e)
   在 System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   在 System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   在 System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   在 System.Windows.UIElement.RaiseEvent(RoutedEventArgs e)
   在 Sdl.MultiSelectComboBox.Themes.Generic.MultiSelectComboBox.<>c__DisplayClass187_0.<RaiseSelectedItemsChangedEvent>b__0()
   在 System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   在 System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   在 System.Windows.Threading.DispatcherOperation.InvokeImpl()
   在 System.Windows.Threading.DispatcherOperation.InvokeInSecurityContext(Object state)
   在 MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   在 System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   在 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   在 System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   在 MS.Internal.CulturePreservingExecutionContext.Run(CulturePreservingExecutionContext executionContext, ContextCallback callback, Object state)
   在 System.Windows.Threading.DispatcherOperation.Invoke()
   在 System.Windows.Threading.Dispatcher.ProcessQueue()
   在 System.Windows.Threading.Dispatcher.WndProcHook(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   在 MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   在 MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   在 System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   在 System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   在 System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   在 MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
   在 System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
   在 System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)
   在 System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
   在 System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
   在 Sdl.TranslationStudio.Application.Launcher.RunApplication()]]></StackTrace>
  </Exception>
  <Environment>
    <ProductName>SDL Trados Studio</ProductName>
    <ProductVersion>Studio16</ProductVersion>
    <EntryAssemblyFileVersion>16.1.3.4096</EntryAssemblyFileVersion>
    <OperatingSystem>Microsoft Windows 10 家庭版</OperatingSystem>
    <ServicePack>NULL</ServicePack>
    <OperatingSystemLanguage>2052</OperatingSystemLanguage>
    <CodePage>936</CodePage>
    <LoggedOnUser>DESKTOP-ACGJD60\qqqaas</LoggedOnUser>
    <DotNetFrameWork>4.0.30319.42000</DotNetFrameWork>
    <ComputerName>DESKTOP-ACGJD60</ComputerName>
    <ConnectedToNetwork>True</ConnectedToNetwork>
    <PhysicalMemory>33475520 MB</PhysicalMemory>
  </Environment>
</SDLErrorDetails>