throw exception if FWD vehicle is declared but no axlegear ratio is provided in gbx

VectoCore/VectoCore/InputData/Reader/DataObjectAdapter/DeclarationDataAdapterHeavyLorry.cs

@@ -523,6 +523,9 @@ namespace TUGraz.VectoCore.InputData.Reader.DataObjectAdapter
 
 		public AxleGearData CreateDummyAxleGearData(IGearboxDeclarationInputData gbxData)
 		{
+			if (double.IsNaN(gbxData.AxlegearRatio)) {
+				throw new VectoException("Axlegear ratio required in gearbox data for gearboxes with included axlegear");
+			}
 			return new AxleGearData() {
 				AxleGear = new TransmissionData() {
 					Ratio = gbxData.AxlegearRatio,

VectoCore/VectoCore/InputData/Reader/Impl/AbstractDeclarationVectoRunDataFactory.cs

@@ -81,7 +81,7 @@ namespace TUGraz.VectoCore.InputData.Reader.Impl {
 													_segment.Missions.First().Loadings.First());
 			_airdragData = DataAdapter.CreateAirdragData(vehicle.Components.AirdragInputData,
 												_segment.Missions.First(), _segment);
-			if (InputDataProvider.JobInputData.Vehicle.Components.GearboxInputData.DifferentialIncluded) {
+			if (InputDataProvider.JobInputData.Vehicle.AxleConfiguration.AxlegearIncludedInGearbox()) {
 				_axlegearData = DataAdapter.CreateDummyAxleGearData(InputDataProvider.JobInputData.Vehicle.Components.GearboxInputData);
 			} else { 
 				_axlegearData = DataAdapter.CreateAxleGearData(InputDataProvider.JobInputData.Vehicle.Components.AxleGearInputData);