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Ich habe ein etwas komisches Problem: Ich habe ein Backup, welches jetzt nicht mehr starten möchte. Sobald ich auf "Backup" klicke, bekomme ich die Fehlermeldung "Exception has been thrown by the target of the invocation.".

Das Log sieht folgendermaßen aus:

[2017-02-28 17:01:59.67] INFO : Starting HardlinkBackup Version 2.2.14 (Build 9187) at HardlinkBackup.Void #=qKD2UC1XPSh5Kz7rTkI0f_w==()
[2017-02-28 17:01:59.74] INFO : Using operating system language de-DE at HardlinkBackup.Void #=qKD2UC1XPSh5Kz7rTkI0f_w==()
[2017-02-28 17:02:06.43] INFO : Loading "F:\Backups\Data.hbd" at BackupManager.Boolean #=qQ2cW_DMcbHOTAy74qTiacw==(System.String, Boolean)
[2017-02-28 17:02:06.43] INFO : Loading a BackupDefinition from file "F:\Backups\Data.hbd" at #=qcKcn$izr$wA6lSXlSlOiJVggVtfT4_teMQEAiIG$CFgFuVtxvPDMrEv0M5bUqOJBLdLBtaIYdkePHoEsaTjlbg==.Boolean #=qQwBO_B3NxquW0C091pNmeA==(System.String)
[2017-02-28 17:02:11.27] INFO : Executing backup definition "F:\Backups\Data.hbd" (From "D:\Users" as "Users" and "C:\Users\xxx" as "Systemplatte" to "Data" and "H:\Backups\Data" using hardlink mode) at BackupManager.Boolean #=qWsa9gVkRZ6lWN6N3hGWzGg==()
[2017-02-28 17:02:11.70] ERROR: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.ArgumentException: A Worker with the same name and role was already added to this ManagedWorker.
   at Lupinho.Net.Utilities.ArgumentChecker.Fail(String message, Object[] parameters)
   at Lupinho.Net.Utilities.ArgumentChecker.CheckTrue(Boolean condition, String message, Object[] parameters)
   at Lupinho.Net.Worker.AbstractManagerWorker`1.Set(Int32 index, T worker, String role)
   at Lupinho.Net.Worker.AbstractSequentialWorker`1.Add(T worker, WorkerExecutionMode executeOnFinish, WorkerExecutionMode executeOnFail, String role)
   at Lupinho.Net.HardlinkBackup.Engine.Workers.Full.FullBackupWorker.Configure(BackupRunDefinitionTO backupRunDefinition, BackupSettingsTO backupOptions, Boolean resume)
   at Lupinho.Net.HardlinkBackup.Engine.Service.Server.BackupSession.ExecuteBackup(BackupRunDefinitionTO backupRunDefinition, BackupSettingsTO backupSettings)
   --- Ende der internen Ausnahmestapelüberwachung ---
   bei Lupinho.Net.Net.Services.SerializeCallHelper.CallRemoteMethod(CallMethodDelegate callMethod, MethodInfo method, Object[] parameters)
   bei Lupinho.Net.HardlinkBackup.Engine.Service.Client.SessionClient`1.#=q7htDgwKI4Fp_FTQm1xQ8gCVo$fI3jzE4Tq0vNsE_BDI=.Invoke(Object #=qkEQn30yovNWuSEqRbNPOyw==, MethodInfo #=qQG90MhQ7CTE0_fBweee3gw==, Object[] #=qkkPxdI3B0nV8HkqATvjypA==)
   bei Lupinho.Net.HardlinkBackup.Engine.Service.Client.BackupSessionClient.ExecuteBackup(BackupRunDefinitionTO backupRunDefinition, BackupSettingsTO backupSettings) at BackupSessionClient.Void ExecuteBackup(Lupinho.Net.HardlinkBackup.Engine.TO.BackupRunDefinitionTO, Lupinho.Net.HardlinkBackup.Engine.Options.BackupSettingsTO)
[2017-02-28 17:02:11.71] FATAL: An unhandled exception occurred in thread "System.Threading.Thread": at HardlinkBackup.Void #=qVyVpMZgXuiH0iHLrcbmtgLx5rPEHx0hSu$_R1Nw$DEc=(System.Object, System.UnhandledExceptionEventArgs)
[2017-02-28 17:02:11.72] FATAL: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.ArgumentException: A Worker with the same name and role was already added to this ManagedWorker.
   at Lupinho.Net.Utilities.ArgumentChecker.Fail(String message, Object[] parameters)
   at Lupinho.Net.Utilities.ArgumentChecker.CheckTrue(Boolean condition, String message, Object[] parameters)
   at Lupinho.Net.Worker.AbstractManagerWorker`1.Set(Int32 index, T worker, String role)
   at Lupinho.Net.Worker.AbstractSequentialWorker`1.Add(T worker, WorkerExecutionMode executeOnFinish, WorkerExecutionMode executeOnFail, String role)
   at Lupinho.Net.HardlinkBackup.Engine.Workers.Full.FullBackupWorker.Configure(BackupRunDefinitionTO backupRunDefinition, BackupSettingsTO backupOptions, Boolean resume)
   at Lupinho.Net.HardlinkBackup.Engine.Service.Server.BackupSession.ExecuteBackup(BackupRunDefinitionTO backupRunDefinition, BackupSettingsTO backupSettings)
   --- Ende der internen Ausnahmestapelüberwachung ---
   bei Lupinho.Net.Net.Services.SerializeCallHelper.CallRemoteMethod(CallMethodDelegate callMethod, MethodInfo method, Object[] parameters)
   bei Lupinho.Net.HardlinkBackup.Engine.Service.Client.SessionClient`1.#=q7htDgwKI4Fp_FTQm1xQ8gCVo$fI3jzE4Tq0vNsE_BDI=.Invoke(Object #=qkEQn30yovNWuSEqRbNPOyw==, MethodInfo #=qQG90MhQ7CTE0_fBweee3gw==, Object[] #=qkkPxdI3B0nV8HkqATvjypA==)
   bei Lupinho.Net.HardlinkBackup.Engine.Service.Client.BackupSessionClient.ExecuteBackup(BackupRunDefinitionTO backupRunDefinition, BackupSettingsTO backupSettings)
   bei Lupinho.Net.HardlinkBackup.UI.Presentation.BackupManager.#=qWsa9gVkRZ6lWN6N3hGWzGg==()
   bei System.Windows.Input.CommandBinding.OnExecuted(Object sender, ExecutedRoutedEventArgs e)
   bei System.Windows.Input.CommandManager.ExecuteCommandBinding(Object sender, ExecutedRoutedEventArgs e, CommandBinding commandBinding)
   bei System.Windows.Input.CommandManager.FindCommandBinding(CommandBindingCollection commandBindings, Object sender, RoutedEventArgs e, ICommand command, Boolean execute)
   bei System.Windows.Input.CommandManager.FindCommandBinding(Object sender, RoutedEventArgs e, ICommand command, Boolean execute)
   bei System.Windows.Input.CommandManager.OnExecuted(Object sender, ExecutedRoutedEventArgs e)
   bei System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   bei System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   bei System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   bei System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   bei System.Windows.Input.RoutedCommand.ExecuteImpl(Object parameter, IInputElement target, Boolean userInitiated)
   bei MS.Internal.Commands.CommandHelpers.CriticalExecuteCommandSource(ICommandSource commandSource, Boolean userInitiated)
   bei System.Windows.Controls.Primitives.ButtonBase.OnClick()
   bei System.Windows.Controls.Button.OnClick()
   bei System.Windows.Controls.Primitives.ButtonBase.OnMouseLeftButtonUp(MouseButtonEventArgs e)
   bei System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   bei System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   bei System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   bei System.Windows.UIElement.ReRaiseEventAs(DependencyObject sender, RoutedEventArgs args, RoutedEvent newEvent)
   bei System.Windows.UIElement.OnMouseUpThunk(Object sender, MouseButtonEventArgs e)
   bei System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   bei System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   bei System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   bei System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   bei System.Windows.UIElement.RaiseTrustedEvent(RoutedEventArgs args)
   bei System.Windows.Input.InputManager.ProcessStagingArea()
   bei System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)
   bei System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)
   bei System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel)
   bei System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   bei System.Windows.Interop.HwndSource.InputFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   bei MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   bei MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   bei System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   bei System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   bei System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   bei MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
   bei MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg)
   bei System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame)
   bei System.Windows.Application.RunDispatcher(Object ignore)
   bei System.Windows.Application.RunInternal(Window window)
   bei Lupinho.Net.HardlinkBackup.UI.HardlinkBackup.#=qKD2UC1XPSh5Kz7rTkI0f_w==() at HardlinkBackup.Void #=qVyVpMZgXuiH0iHLrcbmtgLx5rPEHx0hSu$_R1Nw$DEc=(System.Object, System.UnhandledExceptionEventArgs)

Neustart des Systems und des Dienstes, Löschen des letzten fehlerhaften Backupsatzes, etc. haben leider nichts gebracht.