Value cannot be null. (Parameter 'key')

[Marcus Medeiros]

Value cannot be null. (Parameter 'key')

App: LaunchBox
Version: 13.6
Theme: Default
Type: System.ArgumentNullException
Site: Void ThrowArgumentNullException(System.String)
Source: System.Collections.Concurrent

at System.ThrowHelper.ThrowArgumentNullException(String name)
at System.Collections.Concurrent.ConcurrentDictionary2.TryGetValue(TKey key, TValue& value) at Unbroken.LaunchBox.Windows.Desktop.MenuActions.DownloadMetadataAndMediaMenuAction.<>c.DestroyAbstractPage(Game g) at System.Linq.Enumerable.Any[TSource](IEnumerable1 source, Func2 predicate) at Unbroken.LaunchBox.Windows.Desktop.MenuActions.DownloadMetadataAndMediaMenuAction.OnSelect(Boolean skipWizard) at ItemReader.SortMetaField(Object , Boolean skipWizard, ItemReader ) at Unbroken.LaunchBox.Windows.Desktop.MenuActions.DownloadMetadataAndMediaMenuAction.OnSelect() at AnnotationMessage.SortMetaField(Object , AnnotationMessage ) at Unbroken.LaunchBox.Windows.Desktop.MenuActions.DownloadMetadataAndMediaMenuAction.Go(List1 games)
at ClassDic.SortMetaField(List`1 games, ClassDic )
at Unbroken.LaunchBox.Windows.Desktop.ContextMenus.ToolsMenu.<>c.QueryAbstractConfig(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:

08:42:35 Exception