Index: DamEngine/branches/DamEngine 19.2/src/Deltares.DamEngine.Calculators/KernelWrappers/DamPipingBligh/DamPipingBlighKernelWrapper.cs
===================================================================
diff -u -r3342 -r3343
--- DamEngine/branches/DamEngine 19.2/src/Deltares.DamEngine.Calculators/KernelWrappers/DamPipingBligh/DamPipingBlighKernelWrapper.cs	(.../DamPipingBlighKernelWrapper.cs)	(revision 3342)
+++ DamEngine/branches/DamEngine 19.2/src/Deltares.DamEngine.Calculators/KernelWrappers/DamPipingBligh/DamPipingBlighKernelWrapper.cs	(.../DamPipingBlighKernelWrapper.cs)	(revision 3343)
@@ -95,11 +95,16 @@
             Location location = damKernelInput.Location;
             UpliftSituation upliftSituation = new UpliftSituation();
 
+            string soilGeometries2DPath = null;
+            if (damKernelInput.Location.StabilityOptions != null)
+            {
+                soilGeometries2DPath = damKernelInput.Location.StabilityOptions.SoilGeometries2DPath;
+            }
             UpliftLocationDeterminator upliftLocationDeterminator = new UpliftLocationDeterminator
             {
                 PlLines = plLines,
                 SoilProfile = soilProfile1D,
-                PathForStiFile = damKernelInput.Location.StabilityOptions.SoilGeometries2DPath,
+                PathForStiFile = soilGeometries2DPath,
                 SoilGeometry2DName = damKernelInput.SubSoilScenario.StiFileName,
                 SurfaceLine = surfaceLine,
                 DikeEmbankmentMaterial = location.GetDikeEmbankmentSoil(),
Index: DamEngine/branches/DamEngine 19.2/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/OperationalGrebbedijkTests.cs
===================================================================
diff -u -r3296 -r3343
--- DamEngine/branches/DamEngine 19.2/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/OperationalGrebbedijkTests.cs	(.../OperationalGrebbedijkTests.cs)	(revision 3296)
+++ DamEngine/branches/DamEngine 19.2/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/OperationalGrebbedijkTests.cs	(.../OperationalGrebbedijkTests.cs)	(revision 3343)
@@ -150,11 +150,12 @@
             string outputString = engineInterface.Run();
             Assert.IsNotNull(outputString);
             var output = DamXmlSerialization.LoadOutputFromXmlString(outputString);
-            Assert.AreEqual(2,output.Results.CalculationMessages.Length);
+            Assert.AreEqual(6,output.Results.CalculationMessages.Length);
             Assert.AreEqual(MessageMessageType.Info, output.Results.CalculationMessages[0].MessageType);
             Assert.AreEqual("There are 2 locations with sensor data", output.Results.CalculationMessages[0].Message1);
-            Assert.AreEqual(MessageMessageType.Error, output.Results.CalculationMessages[1].MessageType);
-            Assert.AreEqual("No segments with failure mechanism Piping present", output.Results.CalculationMessages[1].Message1);
+            Assert.AreEqual(MessageMessageType.Warning, output.Results.CalculationMessages[1].MessageType);
+            Assert.AreEqual(MessageMessageType.Error, output.Results.CalculationMessages[5].MessageType);
+            Assert.AreEqual("No segments with failure mechanism Piping present", output.Results.CalculationMessages[5].Message1);
         }
     }
 }