I deleted a platform and wanted to reimport the games. When I click next on the final dialog (beofre it scans the dir) I get an exception:
 
	Object reference not set to an instance of an object.
 
	App:     LaunchBox 
	Version: 11.16-beta-1 
	Type:    System.NullReferenceException 
	Site:    Boolean ResetGenericCreator(System.Object, System.Object, System.StringComparison) 
	Source:  Unbroken.LaunchBox.Windows
 
	   at Unbroken.LaunchBox.Windows.Data.DataManager.ResetGenericCreator(Object , Object , StringComparison ) 
	   at Unbroken.LaunchBox.Windows.Data.DataManager.ContainsGameApplicationPath(String gameApplicationPath) 
	   at Unbroken.LaunchBox.Windows.Desktop.ViewModels.RomImportGameListViewModel.FillDrivenMerchant(Object , Object ) 
	   at Unbroken.LaunchBox.Windows.Desktop.ViewModels.RomImportGameListViewModel.OnActivated() 
	   at RoleInterpreter.CreateInvalidRules(Object , RoleInterpreter ) 
	   at Unbroken.LaunchBox.Windows.Desktop.ViewModels.WizardViewModel.ListScopeContainer() 
	   at ManagerInterpreter.CreateInvalidRules(Object , ManagerInterpreter ) 
	   at Unbroken.LaunchBox.Windows.Desktop.ViewModels.WizardViewModel.NextPage() 
	   at RoleInterpreter.CreateInvalidRules(Object , RoleInterpreter ) 
	   at Unbroken.LaunchBox.Windows.Desktop.ViewModels.RomImportMameOptionsViewModel.OnActivated() 
	   at RoleInterpreter.CreateInvalidRules(Object , RoleInterpreter ) 
	   at Unbroken.LaunchBox.Windows.Desktop.ViewModels.WizardViewModel.ListScopeContainer() 
	   at ManagerInterpreter.CreateInvalidRules(Object , ManagerInterpreter ) 
	   at Unbroken.LaunchBox.Windows.Desktop.ViewModels.WizardViewModel.NextPage()