You may run into the following error when configuring/creating migration jobs in Content Matrix:
"Error: Exception has been thrown by the target of an invocation.
Stack: at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
at System.Reflection.RuntimeConstructorInfo.Invoke(BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at System.RuntimeType.CreateInstanceImpl(BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes, StackCrawlMark& stackMark)
at System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes)
at System.Activator.CreateInstance(Type type, Object[] args)
at Metalogix.ExternalConnections.ExternalConnectionManager.CreateConnectionFrom(DataRow row)
at Metalogix.ExternalConnections.ExternalConnectionManager.LoadConnections()
at Metalogix.ExternalConnections.ExternalConnectionManager.get_INSTANCE()
at Metalogix.Explorer.ExplorerNode.GetExternalConnectionsOfType[T](Boolean recurseUp)
at Metalogix.SharePoint.UI.WinForms.Migration.TCStoragePointOptionsMMS.set_Options(ExternalizationOptions value)
at Metalogix.SharePoint.UI.WinForms.Migration.CopyFolderActionDialog.LoadUI(Action action)
at Metalogix.SharePoint.UI.WinForms.Migration.PasteAllListItemsConfig.Open...