fixed null reference error in XMLDeclarationMultistageInputReader

updated namespace of type attribute in GetAirdragElementV1

VectoCore/VectoCore/InputData/FileIO/XML/Declaration/Reader/Impl/XMLDeclarationMultistageInputReader.cs

@@ -900,7 +900,7 @@ namespace TUGraz.VectoCore.InputData.FileIO.XML.Declaration.Reader.Impl
 			if (fullCheck) {
 				//use Binary AND to execute all Statements and gather information about missing parameters.
 				return InputComplete(_consolidateBusAuxiliariesData, nameof(_consolidateBusAuxiliariesData))
-						& _consolidateBusAuxiliariesData.IsInputDataCompleteFullCheck(jobType);
+						& (_consolidateBusAuxiliariesData != null && _consolidateBusAuxiliariesData.IsInputDataCompleteFullCheck(jobType));
 			}
 			return InputComplete(_consolidateBusAuxiliariesData, nameof(_consolidateBusAuxiliariesData)) 
 					&& _consolidateBusAuxiliariesData.IsInputDataComplete(jobType);
@@ -922,6 +922,9 @@ namespace TUGraz.VectoCore.InputData.FileIO.XML.Declaration.Reader.Impl
 
 		protected override IList<string> GetInvalidEntriesTemplate(VectoSimulationJobType jobType)
 		{
+			if (_consolidateBusAuxiliariesData == null) {
+				return new List<string>();
+			}
 			return _invalidEntries.Concat(_consolidateBusAuxiliariesData.GetInvalidEntries(jobType)).ToList();
 		}
 	}

VectoCore/VectoCore/OutputData/XML/DeclarationReports/VehicleInformationFile/XMLMultistageBusReport.cs

@@ -393,9 +393,9 @@ namespace TUGraz.VectoCore.OutputData.XML.DeclarationReports.VehicleInformationF
 		{
 			return new XElement(v28 + XMLNames.Component_AirDrag,
 				new XElement(v20 + XMLNames.Report_DataWrap,
-					new XAttribute(xsi + XMLNames.Component_Type_Attr, XMLNames.AirDrag_Data_Type_Attr),
-					//new XAttribute("xmlns", v10.NamespaceName),
 					new XAttribute(XNamespace.Xmlns + "v1.0", v10.NamespaceName),
+					new XAttribute(xsi + XMLNames.Component_Type_Attr, "v1.0:" + XMLNames.AirDrag_Data_Type_Attr),
+					//new XAttribute("xmlns", v10.NamespaceName),
 					dataNode.Attributes != null && dataNode.Attributes[XMLNames.Component_ID_Attr] != null ?
 						new XAttribute(XMLNames.Component_ID_Attr, dataNode.Attributes[XMLNames.Component_ID_Attr].InnerText) : null,
 					GetElements(dataNode.ChildNodes)