Problem with fitting manager

[Escalati0n]

When Questor start using fitting manager the following expection occure.

18:40:13 [FittingManager] Opening Fitting Manager Window
18:40:13 [Arm.FindDefaultFitting] FittingManagerWindow is null
18:40:13 [Switch.LoadSavedFitting] [8] Found Default Fitting [******]
18:40:13 [Switch.LoadSavedFitting] Exception [System.NullReferenceException: Der Objektverweis wurde nicht auf eine Objektinstanz festgelegt.
bei Questor.Modules.Lookup.MissionSettings.<get_FactionFittingNameForThisMissionsFaction>b__2(FactionFitting i) in c:\Users_MyWindowsLoginNameRedacted_\Downloads\Questor-BleedingEdge\Questor-BleedingEdge\Questor.Modules\Lookup\MissionSettings.cs:Zeile 401.
bei System.Linq.Enumerable.Any[TSource](IEnumerable1 source, Func2 predicate)
bei Questor.Modules.Lookup.MissionSettings.get_FactionFittingNameForThisMissionsFaction() in c:\Users_MyWindowsLoginNameRedacted_\Downloads\Questor-BleedingEdge\Questor-BleedingEdge\Questor.Modules\Lookup\MissionSettings.cs:Zeile 401.
bei Questor.Modules.Lookup.MissionSettings.get_FittingToLoad() in c:\Users_MyWindowsLoginNameRedacted_\Downloads\Questor-BleedingEdge\Questor-BleedingEdge\Questor.Modules\Lookup\MissionSettings.cs:Zeile 365.
bei Questor.Modules.Actions.Arm.LoadSavedFittingArmState() in c:\Users_MyWindowsLoginNameRedacted_\Downloads\Questor-BleedingEdge\Questor-BleedingEdge\Questor.Modules\Actions\Arm.cs:Zeile 1059.]