missing games list and I get this error when i go to tools select random game

[The Average Retro Gamers]

Object reference not set to an instance of an object.

App: LaunchBox
Version: 9.7
Type: System.NullReferenceException
Site: Void (Unbroken.LaunchBox.Desktop.MenuActions.SelectRandomGameMenuAction)
Source: LaunchBox

at (SelectRandomGameMenuAction )
at Unbroken.LaunchBox.Desktop.MenuActions.SelectRandomGameMenuAction.OnSelect()
at Unbroken.LaunchBox.Desktop.MenuActions.SelectRandomGameMenuAction.Go()
at Unbroken.LaunchBox.Desktop.ViewModels.SideBarViewModel.<>c.<BuildToolsMenu>b__73_10(Object sender, RoutedEventArgs args)
at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
at System.Windows.Controls.MenuItem.InvokeClickAfterRender(Object arg)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)

Recent Log:

12:19:31 AM Music.Prepare Start
00:19:31 Music.Kill Start
00:19:31 Music.Kill Finished
00:19:31 Music.NotifyTrackList Start
00:19:31 Music.NotifyTrackList Invoke WPF
12:20:50 AM Exception

[The Average Retro Gamers]

Suddenly my games list reappeared. Like really suddenly after just leaving the app alone for 5 minutes. Working again.