Crash when opening backup data notification

[darklinkpower]

Happens when clicking it:

24-09 04:44:31.205|ERROR|PlayniteApplication:Unhandled exception occured.
System.InvalidOperationException: El objeto que acepta valores Null debe tener un valor.
   en System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource)
   en GameActivity.Views.GameActivityBackup..ctor(ActivityBackup activityBackup) en D:\GitHub\Lacro59\playnite-gameactivity-plugin\source\Views\GameActivityBackup.xaml.cs:línea 21
   en GameActivity.GameActivity.<>c__DisplayClass29_0.<OnApplicationStarted>b__7() en D:\GitHub\Lacro59\playnite-gameactivity-plugin\source\GameActivity.cs:línea 1262
   en Playnite.DesktopApp.ViewModels.DesktopAppViewModel.DesktopAppViewModel_ActivationRequested(Object sender, MessageEventArgs e) en C:\projects\playnite\source\Playnite.DesktopApp\ViewModels\DesktopAppViewModel.cs:línea 276
   en Playnite.API.NotificationsAPI.Message_Activated(Object sender, EventArgs e) en C:\projects\playnite\source\Playnite\API\NotificationsAPI.cs:línea 48
   en Playnite.SDK.NotificationMessage.<.ctor>b__24_0() en C:\projects\playnite\source\PlayniteSDK\INotificationsAPI.cs:línea 85
   en Playnite.SDK.RelayCommand.Execute(Object parameter) en C:\projects\playnite\source\PlayniteSDK\RelayCommand.cs:línea 123
   en MS.Internal.Commands.CommandHelpers.CriticalExecuteCommandSource(ICommandSource commandSource, Boolean userInitiated)
   en System.Windows.Controls.Primitives.ButtonBase.OnClick()
   en System.Windows.Controls.Button.OnClick()
   en System.Windows.Controls.Primitives.ButtonBase.OnMouseLeftButtonUp(MouseButtonEventArgs e)
   en System.Windows.UIElement.OnMouseLeftButtonUpThunk(Object sender, MouseButtonEventArgs e)
   en System.Windows.Input.MouseButtonEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget)
   en System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   en System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   en System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   en System.Windows.UIElement.ReRaiseEventAs(DependencyObject sender, RoutedEventArgs args, RoutedEvent newEvent)
   en System.Windows.UIElement.OnMouseUpThunk(Object sender, MouseButtonEventArgs e)
   en System.Windows.Input.MouseButtonEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget)
   en System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   en System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   en System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   en System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   en System.Windows.UIElement.RaiseTrustedEvent(RoutedEventArgs args)
   en System.Windows.UIElement.RaiseEvent(RoutedEventArgs args, Boolean trusted)
   en System.Windows.Input.InputManager.ProcessStagingArea()
   en System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)
   en System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)
   en System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel)
   en System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   en System.Windows.Interop.HwndSource.InputFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   en MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   en MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   en System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   en System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   en System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   en MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
   en MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg)
   en System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame)
   en System.Windows.Threading.Dispatcher.PushFrame(DispatcherFrame frame)
   en System.Windows.Application.RunDispatcher(Object ignore)
   en System.Windows.Application.RunInternal(Window window)
   en System.Windows.Application.Run(Window window)
   en Playnite.DesktopApp.ProgramEntry.Main(String[] args) en C:\projects\playnite\source\Playnite.DesktopApp\ProgramEntry.cs:línea 61