The Childformdialog setup seems ok?

Michael

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ApplicationException
  An error occurred while creating the main form
TargetInvocationException
  Exception has been thrown by the target of an invocation.
MissingMethodException
  Method not found: 'Void MicroFour.StrataFrame.UI.Windows.Forms.ChildFormDialog.set_ParentForm(MicroFour.StrataFrame.UI.Windows.Forms.IContainerControl)'.

Source     : MicroFour StrataFrame UI

Stack Trace:
   at OrionApp.MainForm.InitializeComponent()
   at OrionApp.MainForm..ctor() in C:\DevelopmentApps\Orion\OrionApp\WorkForms\MainMenu\MainForm.vb:line 175
   at System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandle& ctor, Boolean& bNeedSecurityCheck)
   at System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean fillCache)
   at System.RuntimeType.CreateInstanceImpl(Boolean publicOnly, Boolean skipVisibilityChecks, Boolean fillCache)
   at System.Activator.CreateInstance(Type type, Boolean nonPublic)
   at System.RuntimeType.CreateInstanceImpl(BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes)
   at System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes)
   at MicroFour.StrataFrame.Application.StrataFrameApplication.RunApplication()