Index: Ringtoets/Piping/src/Ringtoets.Piping.Service/PipingSemiProbabilisticCalculationService.cs
===================================================================
diff -u -re1705d17c577ac884869c00181cac52470cc50f2 -r845bead95b248fd299e02c02e9ae0892eebc6335
--- Ringtoets/Piping/src/Ringtoets.Piping.Service/PipingSemiProbabilisticCalculationService.cs	(.../PipingSemiProbabilisticCalculationService.cs)	(revision e1705d17c577ac884869c00181cac52470cc50f2)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Service/PipingSemiProbabilisticCalculationService.cs	(.../PipingSemiProbabilisticCalculationService.cs)	(revision 845bead95b248fd299e02c02e9ae0892eebc6335)
@@ -1,6 +1,7 @@
 using System;
 using MathNet.Numerics.Distributions;
 using Ringtoets.Piping.Data;
+using Ringtoets.Piping.Service.Properties;
 
 namespace Ringtoets.Piping.Service
 {
@@ -179,7 +180,7 @@
         {
             if (!calculation.HasOutput)
             {
-                throw new ArgumentException("Cannot perform a semi-probabilistic calculation without output from the piping kernel.");
+                throw new ArgumentException(Resources.PipingSemiProbabilisticCalculationService_ValidateOutputOnCalculation_Factor_of_safety_cannot_be_calculated);
             }
         }
 
Index: Ringtoets/Piping/src/Ringtoets.Piping.Service/Properties/Resources.Designer.cs
===================================================================
diff -u -re568165b751acf8d72cdf0d128f76d7792dadb56 -r845bead95b248fd299e02c02e9ae0892eebc6335
--- Ringtoets/Piping/src/Ringtoets.Piping.Service/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision e568165b751acf8d72cdf0d128f76d7792dadb56)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Service/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision 845bead95b248fd299e02c02e9ae0892eebc6335)
@@ -1,7 +1,7 @@
 //------------------------------------------------------------------------------
 // <auto-generated>
 //     This code was generated by a tool.
-//     Runtime Version:4.0.30319.17929
+//     Runtime Version:4.0.30319.42000
 //
 //     Changes to this file may cause incorrect behavior and will be lost if
 //     the code is regenerated.
@@ -95,5 +95,15 @@
                 return ResourceManager.GetString("PipingCalculationService_ValidateInput_Cannot_determine_thickness_coverage_layer", resourceCulture);
             }
         }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Veiligheidsfactor voor piping kan niet worden berekend..
+        /// </summary>
+        internal static string PipingSemiProbabilisticCalculationService_ValidateOutputOnCalculation_Factor_of_safety_cannot_be_calculated {
+            get {
+                return ResourceManager.GetString("PipingSemiProbabilisticCalculationService_ValidateOutputOnCalculation_Factor_of_s" +
+                        "afety_cannot_be_calculated", resourceCulture);
+            }
+        }
     }
 }
Index: Ringtoets/Piping/src/Ringtoets.Piping.Service/Properties/Resources.resx
===================================================================
diff -u -re568165b751acf8d72cdf0d128f76d7792dadb56 -r845bead95b248fd299e02c02e9ae0892eebc6335
--- Ringtoets/Piping/src/Ringtoets.Piping.Service/Properties/Resources.resx	(.../Resources.resx)	(revision e568165b751acf8d72cdf0d128f76d7792dadb56)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Service/Properties/Resources.resx	(.../Resources.resx)	(revision 845bead95b248fd299e02c02e9ae0892eebc6335)
@@ -129,4 +129,7 @@
   <data name="PipingCalculationService_ValidateInput_Cannot_determine_thickness_coverage_layer" xml:space="preserve">
     <value>Kan de dikte van de deklaag niet afleiden op basis van de invoer.</value>
   </data>
+  <data name="PipingSemiProbabilisticCalculationService_ValidateOutputOnCalculation_Factor_of_safety_cannot_be_calculated" xml:space="preserve">
+    <value>Veiligheidsfactor voor piping kan niet worden berekend.</value>
+  </data>
 </root>
\ No newline at end of file
Index: Ringtoets/Piping/test/Ringtoets.Piping.Service.Test/PipingSemiProbabilisticCalculationServiceTest.cs
===================================================================
diff -u -rd428a41a5451bcf43ee2ee5d489b122e0d0f4675 -r845bead95b248fd299e02c02e9ae0892eebc6335
--- Ringtoets/Piping/test/Ringtoets.Piping.Service.Test/PipingSemiProbabilisticCalculationServiceTest.cs	(.../PipingSemiProbabilisticCalculationServiceTest.cs)	(revision d428a41a5451bcf43ee2ee5d489b122e0d0f4675)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Service.Test/PipingSemiProbabilisticCalculationServiceTest.cs	(.../PipingSemiProbabilisticCalculationServiceTest.cs)	(revision 845bead95b248fd299e02c02e9ae0892eebc6335)
@@ -224,7 +224,7 @@
             TestDelegate test = () => PipingSemiProbabilisticCalculationService.Calculate(pipingCalculation, new PipingProbabilityAssessmentInput(), int.MinValue, double.NaN);
 
             // Assert
-            TestHelper.AssertThrowsArgumentExceptionAndTestMessage<ArgumentException>(test, "Cannot perform a semi-probabilistic calculation without output from the piping kernel.");
+            TestHelper.AssertThrowsArgumentExceptionAndTestMessage<ArgumentException>(test, "Veiligheidsfactor voor piping kan niet worden berekend.");
         }
 
         private PipingCalculation AsPipingCalculation(PipingOutput pipingOutput)