{System.Collections.Generic.KeyNotFoundException: The given key was not present in the dictionary.
  at System.ThrowHelper.ThrowKeyNotFoundException()
  at System.Collections.Generic.Dictionary`2.get_Item(TKey key)
  at System.ServiceModel.Configuration.ServiceModelSectionGroup.get_Client()
  at System.ServiceModel.Description.ConfigLoader.LookupChannel(String configurationName, String contractName, Boolean wildcard)
  at System.ServiceModel.Description.ConfigLoader.LoadChannelBehaviors(ServiceEndpoint serviceEndpoint, String configurationName)
  at System.ServiceModel.ChannelFactory.ApplyConfiguration(String configurationName)
  at System.ServiceModel.ChannelFactory.InitializeEndpoint(String configurationName, EndpointAddress address)
  at System.ServiceModel.ChannelFactory`1..ctor(String endpointConfigurationName, EndpointAddress remoteAddress)
  at System.ServiceModel.ChannelFactory`1..ctor(String endpointConfigurationName)
  at System.ServiceModel.EndpointTrait`1.CreateSimplexFactory()
  at System.ServiceModel.EndpointTrait`1.CreateChannelFactory()
  at System.ServiceModel.ClientBase`1.CreateChannelFactoryRef(EndpointTrait`1 endpointTrait)
  at System.ServiceModel.ClientBase`1.InitializeChannelFactoryRef()
  at System.ServiceModel.ClientBase`1..ctor()
  at PLO.ClientWCF.ClientWCFClient..ctor()
  at PLO.ClientMaster..ctor()
  at PLO.Login.clientImage_MouseLeftButtonDown(Object sender, MouseEventArgs e)
  at System.Windows.CoreInvokeHandler.InvokeEventHandler(Int32 typeIndex, Delegate handlerDelegate, Object sender, Object args)
  at MS.Internal.JoltHelper.FireEvent(IntPtr unmanagedObj, IntPtr unmanagedObjArgs, Int32 argsTypeIndex, String eventName)}