Index: Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs
===================================================================
diff -u -r832fae2b215f8d6165628111b344a0dc03b1f669 -r06b2840a2bb64c0960c8ac29322b5a0971c73c77
--- Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs	(.../RingtoetsPlugin.cs)	(revision 832fae2b215f8d6165628111b344a0dc03b1f669)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsPlugin.cs	(.../RingtoetsPlugin.cs)	(revision 06b2840a2bb64c0960c8ac29322b5a0971c73c77)
@@ -69,6 +69,7 @@
 using Ringtoets.Integration.Plugin.FileImporters;
 using Ringtoets.Integration.Plugin.Properties;
 using Ringtoets.Integration.Service;
+using Ringtoets.Integration.Service.MessageProviders;
 using Ringtoets.Piping.Data;
 using Ringtoets.Piping.Forms.PresentationObjects;
 using Ringtoets.StabilityStoneCover.Data;
@@ -1104,6 +1105,7 @@
 
                     IAssessmentSection assessmentSection = nodeData.WrappedData;
                     hydraulicBoundaryLocationCalculationGuiService.CalculateDesignWaterLevels(
+                        new DesignWaterLevelCalculationMessageProvider(),
                         assessmentSection.HydraulicBoundaryDatabase.FilePath,
                         assessmentSection.HydraulicBoundaryDatabase,
                         assessmentSection.HydraulicBoundaryDatabase.Locations,
@@ -1140,6 +1142,7 @@
                     }
                     IAssessmentSection assessmentSection = nodeData.WrappedData;
                     hydraulicBoundaryLocationCalculationGuiService.CalculateWaveHeights(
+                        new WaveHeightCalculationMessageProvider(),
                         assessmentSection.HydraulicBoundaryDatabase.FilePath,
                         assessmentSection.HydraulicBoundaryDatabase,
                         assessmentSection.HydraulicBoundaryDatabase.Locations,