Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Service/HeightStructuresCalculationService.cs
===================================================================
diff -u -rab20c4eb4ca81bd3845d50210d2bdb301177af6a -re674bb3e0b3e4f2e66080348b8e6acfa48137bb1
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Service/HeightStructuresCalculationService.cs	(.../HeightStructuresCalculationService.cs)	(revision ab20c4eb4ca81bd3845d50210d2bdb301177af6a)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Service/HeightStructuresCalculationService.cs	(.../HeightStructuresCalculationService.cs)	(revision e674bb3e0b3e4f2e66080348b8e6acfa48137bb1)
@@ -205,7 +205,8 @@
 
                 if (IsInvalidNumber(inputParameters.StructureNormalOrientation))
                 {
-                    validationResult.Add(RingtoetsCommonDataResources.Orientation_Value_needs_to_be_between_0_and_360);
+                    validationResult.Add(string.Format(RingtoetsCommonServiceResources.Validation_ValidateInput_No_value_entered_for_0_,
+                                                       GenerateParameterNameWithoutUnits(RingtoetsCommonFormsResources.Orientation_DisplayName)));
                 }
 
                 validationResult.AddRange(DistributionValidationService.ValidateDistribution(inputParameters.FlowWidthAtBottomProtection,