Index: Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Plugin/GrassCoverErosionOutwardsPlugin.cs
===================================================================
diff -u -rb6f3b68404cad00988843342f68022dc743e74c1 -r540cb5503a23ea9ea7b1e633888df92fa0531151
--- Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Plugin/GrassCoverErosionOutwardsPlugin.cs	(.../GrassCoverErosionOutwardsPlugin.cs)	(revision b6f3b68404cad00988843342f68022dc743e74c1)
+++ Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Plugin/GrassCoverErosionOutwardsPlugin.cs	(.../GrassCoverErosionOutwardsPlugin.cs)	(revision 540cb5503a23ea9ea7b1e633888df92fa0531151)
@@ -1035,7 +1035,7 @@
                                               failureMechanism.GetNorm(assessmentSection, FailureMechanismCategoryType.FactorizedLowerLimitNorm),
                                               new DesignWaterLevelCalculationMessageProvider(RingtoetsCommonPluginResources.Hydraulic_category_boundary_factorizedLowerLimitNorm_name)));
 
-                    hydraulicBoundaryLocationCalculationGuiService.RunActivities(hydraulicBoundaryDatabaseFilePath, preprocessorDirectory, calculations);
+                    ActivityProgressDialogRunner.Run(Gui.MainWindow, calculations);
                 });
 
             SetHydraulicsMenuItemEnabledStateAndTooltip(assessmentSection, waveHeightItem);
@@ -1144,7 +1144,7 @@
                                               failureMechanism.GetNorm(assessmentSection, FailureMechanismCategoryType.FactorizedLowerLimitNorm),
                                               new WaveHeightCalculationMessageProvider(RingtoetsCommonPluginResources.Hydraulic_category_boundary_factorizedLowerLimitNorm_name)));
 
-                    hydraulicBoundaryLocationCalculationGuiService.RunActivities(hydraulicBoundaryDatabaseFilePath, preprocessorDirectory, calculations);
+                    ActivityProgressDialogRunner.Run(Gui.MainWindow, calculations);
                 });
 
             SetHydraulicsMenuItemEnabledStateAndTooltip(assessmentSection, waveHeightItem);