Index: Riskeer/GrassCoverErosionOutwards/src/Riskeer.GrassCoverErosionOutwards.Plugin/GrassCoverErosionOutwardsPlugin.cs
===================================================================
diff -u -r85adf0a6a94ba5f567b7e093ca1413c11ffa2c75 -ra8b6ee77e67283b8d9ce37067afc17cac3fad241
--- Riskeer/GrassCoverErosionOutwards/src/Riskeer.GrassCoverErosionOutwards.Plugin/GrassCoverErosionOutwardsPlugin.cs	(.../GrassCoverErosionOutwardsPlugin.cs)	(revision 85adf0a6a94ba5f567b7e093ca1413c11ffa2c75)
+++ Riskeer/GrassCoverErosionOutwards/src/Riskeer.GrassCoverErosionOutwards.Plugin/GrassCoverErosionOutwardsPlugin.cs	(.../GrassCoverErosionOutwardsPlugin.cs)	(revision a8b6ee77e67283b8d9ce37067afc17cac3fad241)
@@ -492,7 +492,9 @@
                     ActivityProgressDialogRunner.Run(
                         Gui.MainWindow,
                         GrassCoverErosionOutwardsCalculationActivityFactory
-                            .CreateCalculationActivities(context.WrappedData, assessmentSection));
+                            .CreateWaveConditionsCalculationActivities(context.WrappedData.WaveConditionsCalculationGroup,
+                                                                       context.WrappedData,
+                                                                       assessmentSection));
                 });
 
             SetHydraulicsMenuItemEnabledStateAndTooltip(assessmentSection,
@@ -1008,7 +1010,9 @@
                     ActivityProgressDialogRunner.Run(
                         guiMainWindow,
                         GrassCoverErosionOutwardsCalculationActivityFactory
-                            .CreateCalculationActivities(failureMechanism, assessmentSection));
+                            .CreateWaveConditionsCalculationActivities(failureMechanism.WaveConditionsCalculationGroup,
+                                                                       failureMechanism,
+                                                                       assessmentSection));
                 });
 
             SetHydraulicsMenuItemEnabledStateAndTooltip(assessmentSection,