Exception at System.Collections.Generic.KeyNotFoundException

[Thomas C.]

At fetching missing media files, I got this crash:

The given key 'G:\Games\LaunchBox\Images\Commodore 64\Epic Games Poster\North America' was not present in the dictionary.

App: LaunchBox
Version: 13.1
Type: System.Collections.Generic.KeyNotFoundException
Site: Void ThrowKeyNotFoundException(System.Object)
Source: System.Collections.Concurrent

at System.Collections.Concurrent.ConcurrentDictionary2.ThrowKeyNotFoundException(Object key) at System.Collections.Concurrent.ConcurrentDictionary2.get_Item(TKey key)
at Unbroken.LaunchBox.Windows.Data.Game.GetImageFilePaths(String imageType, Boolean useCache, Boolean allRegions)
at RegMapping.MapTraversalService(Object , String imageType, Boolean useCache, Boolean allRegions, RegMapping )
at Unbroken.LaunchBox.Windows.Data.Game.FillTypeAdapter(String res)
at System.Linq.Enumerable.Sum[TSource](IEnumerable1 source, Func2 selector)
at Unbroken.LaunchBox.Windows.Data.Game.GetActualFrontImageCount()
at InterceptorMessage.MapTraversalService(Object , InterceptorMessage )
at Unbroken.LaunchBox.Windows.Processes.MissingMediaProcessor.<>c__DisplayClass15_1.CallTypeInitializer()
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()

Recent Log:

12:33:01 Exception

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[Thomas C.]

Launchbox also crashes, when I start download of missing media and click on a game what is actually updating the medias.