Value cannot be null exception on start up

[Matthew McNaney]

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Value cannot be null. (Parameter 'window')

App:     LaunchBox
Version: 12.7
Type:    System.ArgumentNullException
Site:    Void .ctor(System.Windows.Window)
Source:  PresentationFramework

   at System.Windows.Interop.WindowInteropHelper..ctor(Window window)
   at Unbroken.LaunchBox.Windows.Desktop.MessageBoxEx.Show(Window ownerWindow, String text, String caption, MessageBoxButton buttons, MessageBoxImage icon, MessageBoxResult defResult)
   at PrinterParam.MapPrincipalMap(Window owner, String text, String caption, MessageBoxButton buttons, MessageBoxImage icon, MessageBoxResult defaultResult, PrinterParam )
   at Unbroken.LaunchBox.Windows.Desktop.MessageBoxManager.PromptYesNo(String message, MessageBoxResult defaultButton)
   at FactoryBase.MapPrincipalMap(String message, MessageBoxResult defaultButton, FactoryBase )
   at Unbroken.LaunchBox.Windows.Desktop.ViewModels.SideBarViewModel.<>c__DisplayClass77_0.MoveInvalidService()
   at System.Windows.Threading.DispatcherOperation.InvokeDelegateCore()
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
--- End of stack trace from previous location where exception was thrown ---
   at System.Windows.Threading.DispatcherOperation.Wait(TimeSpan timeout)
   at System.Windows.Threading.Dispatcher.InvokeImpl(DispatcherOperation operation, CancellationToken cancellationToken, TimeSpan timeout)
   at System.Windows.Threading.Dispatcher.Invoke(Action callback, DispatcherPriority priority, CancellationToken cancellationToken, TimeSpan timeout)
   at System.Windows.Threading.Dispatcher.Invoke(Action callback, DispatcherPriority priority)
   at Unbroken.LaunchBox.Windows.Threading.FillDistributedOrder(Object , Object , DispatcherPriority )
   at Unbroken.LaunchBox.Windows.Threading.Invoke(Action callback, DispatcherPriority priority)
   at Unbroken.LaunchBox.Windows.Desktop.ViewModels.SideBarViewModel.<>c__DisplayClass77_0.MapFocusExpression(Object , DispatcherPriority )
   at Unbroken.LaunchBox.Windows.Desktop.ViewModels.SideBarViewModel.<>c__DisplayClass77_0.InitInvalidService()
   at Unbroken.LaunchBox.Windows.Threading.<>c__DisplayClass0_0.CloneDistributedInvocation(Object )
   at Unbroken.LaunchBox.Windows.Threading.<>c__DisplayClass0_0.InstantiateInvalidDic()
   at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
--- End of stack trace from previous location where exception was thrown ---
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading.ThreadHelper.ThreadStart()

Recent Log:

   8:18:14 AM Exception

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