Index: Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Plugin/GrassCoverErosionOutwardsPlugin.cs
===================================================================
diff -u -r5d13bf8acfe93e7edaeae98d7ef0c0978a74aae2 -r3ec59314887b2c9d085c60c6310eb953d8c6842c
--- Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Plugin/GrassCoverErosionOutwardsPlugin.cs	(.../GrassCoverErosionOutwardsPlugin.cs)	(revision 5d13bf8acfe93e7edaeae98d7ef0c0978a74aae2)
+++ Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Plugin/GrassCoverErosionOutwardsPlugin.cs	(.../GrassCoverErosionOutwardsPlugin.cs)	(revision 3ec59314887b2c9d085c60c6310eb953d8c6842c)
@@ -641,7 +641,7 @@
                         assessmentSection.HydraulicBoundaryDatabase.EffectivePreprocessorDirectory(),
                         nodeData.WrappedData,
                         nodeData.GetNormFunc(),
-                        new WaveHeightCalculationMessageProvider(nodeData.CategoryBoundaryName));
+                        nodeData.CategoryBoundaryName);
                 });
 
             SetHydraulicsMenuItemEnabledStateAndTooltip(nodeData.AssessmentSection,
@@ -1114,7 +1114,7 @@
                                             assessmentSection.HydraulicBoundaryDatabase.EffectivePreprocessorDirectory(),
                                             context.WrappedData,
                                             context.GetNormFunc(),
-                                            new WaveHeightCalculationMessageProvider(context.CategoryBoundaryName)))
+                                            context.CategoryBoundaryName))
                             .ToArray();
 
                     ActivityProgressDialogRunner.Run(Gui.MainWindow, activities);