Index: Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Service/ClosingStructuresCalculationService.cs
===================================================================
diff -u -rd79d26d2ad423b4287d5cdaeb0ac267089a54bf9 -r56ec7114c4c96eeee4a1bb16d0ecac2bb10a49b8
--- Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Service/ClosingStructuresCalculationService.cs	(.../ClosingStructuresCalculationService.cs)	(revision d79d26d2ad423b4287d5cdaeb0ac267089a54bf9)
+++ Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Service/ClosingStructuresCalculationService.cs	(.../ClosingStructuresCalculationService.cs)	(revision 56ec7114c4c96eeee4a1bb16d0ecac2bb10a49b8)
@@ -273,7 +273,7 @@
 
             if (inputParameters.Structure == null)
             {
-                validationResults.Add("Er is geen kunstwerk sluiten geselecteerd.");
+                validationResults.Add(RingtoetsCommonServiceResources.StructuresCalculationService_ValidateInput_No_Structure_selected);
             }
             else
             {