Unexpected error happened

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	RailsException

	Message:
	Error building method arguments. Last param analyzed was language with value ''

		StackTrace:
	   at Castle.MonoRail.Framework.SmartDispatcherController.BuildMethodArguments(ParameterInfo[] parameters, IRequest request, IDictionary actionArgs)
   at Castle.MonoRail.Framework.SmartDispatcherController.InvokeMethod(MethodInfo method, IRequest request, IDictionary actionArgs)
   at Castle.MonoRail.Framework.Controller.InvokeMethod(MethodInfo method, IDictionary methodArgs)
   at Castle.MonoRail.Framework.ControllerLifecycleExecutor.ProcessSelectedAction(IDictionary actionArgs)
	
		Inner exception:
			BindingException

	Message:
	Exception converting param 'language' to System.String. Check inner exception for details

		StackTrace:
	   at Castle.Components.Binder.DataBinder.BindParameter(Type desiredType, String paramName, CompositeNode treeRoot)
   at Castle.MonoRail.Framework.SmartDispatcherController.BuildMethodArguments(ParameterInfo[] parameters, IRequest request, IDictionary actionArgs)
	
		Inner exception:
			BindingException

	Message:
	Conversion error: Could not convert parameter with value 'System.String[]' to expected type System.String

		StackTrace:
	   at Castle.Components.Binder.DefaultConverter.ThrowInformativeException(Type desiredType, Object input, Exception inner)
   at Castle.Components.Binder.DefaultConverter.Convert(Type desiredType, Object input, Boolean& conversionSucceeded)
   at Castle.Components.Binder.DefaultConverter.Convert(Type desiredType, Type inputType, Object input, Boolean& conversionSucceeded)
   at Castle.Components.Binder.DataBinder.ConvertLeafNode(Type desiredType, LeafNode lNode, Boolean& conversionSucceeded)
   at Castle.Components.Binder.DataBinder.ConvertToSimpleValue(Type desiredType, String key, CompositeNode parent, Boolean& conversionSucceeded)
   at Castle.Components.Binder.DataBinder.BindParameter(Type desiredType, String paramName, CompositeNode treeRoot)
	
		Inner exception:
			InvalidCastException

	Message:
	Unable to cast object of type 'System.String[]' to type 'System.String'.

		StackTrace:
	   at Castle.Components.Binder.DefaultConverter.Convert(Type desiredType, Object input, Boolean& conversionSucceeded)
	
				

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