contract configurator error2

[EXC 01:04:03.823] ArgumentException: 'Sun' is not a valid CelestialBody.
	ContractConfigurator.ConfigNodeUtil.ParseCelestialBodyValue (System.String celestialName)
	ContractConfigurator.ConfigNodeUtil.ParseSingleValue[CelestialBody] (System.String key, System.String stringValue, Boolean allowExpression)
	System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture)
	Rethrow as TargetInvocationException: Exception has been thrown by the target of an invocation.
	System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture)
	System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters)
	ContractConfigurator.ConfigNodeUtil.ParseValue[List`1] (.ConfigNode configNode, System.String key, Boolean allowExpression)