Index: Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Plugin/GrassCoverErosionOutwardsPlugin.cs
===================================================================
diff -u -r8a90c409545ce1b48e018d3b5d6b5982dbef926f -r63b14648b4633ab7f052e91570ebb24c6aabb82b
--- Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Plugin/GrassCoverErosionOutwardsPlugin.cs	(.../GrassCoverErosionOutwardsPlugin.cs)	(revision 8a90c409545ce1b48e018d3b5d6b5982dbef926f)
+++ Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Plugin/GrassCoverErosionOutwardsPlugin.cs	(.../GrassCoverErosionOutwardsPlugin.cs)	(revision 63b14648b4633ab7f052e91570ebb24c6aabb82b)
@@ -97,6 +97,11 @@
                 FailureMechanismEnabledContextMenuStrip,
                 FailureMechanismDisabledContextMenuStrip);
 
+            yield return RingtoetsTreeNodeInfoFactory.CreateCalculationGroupContextTreeNodeInfo<GrassCoverErosionOutwardsWaveConditionsCalculationGroupContext>(
+                null,
+                null,
+                null);
+
             yield return new TreeNodeInfo<FailureMechanismSectionResultContext<GrassCoverErosionOutwardsFailureMechanismSectionResult>>
             {
                 Text = context => RingtoetsCommonFormsResources.FailureMechanism_AssessmentResult_DisplayName,
@@ -267,7 +272,9 @@
             return new object[]
             {
                 new GrassCoverErosionOutwardsDesignWaterLevelLocationsContext(locations, assessmentSection),
-                new GrassCoverErosionOutwardsWaveHeightLocationsContext(locations, assessmentSection)
+                new GrassCoverErosionOutwardsWaveHeightLocationsContext(locations, assessmentSection),
+                new GrassCoverErosionOutwardsWaveConditionsCalculationGroupContext(hydraulicBoundariesGroupContext.WrappedData.WaveConditionsCalculationGroup,
+                                                                                   hydraulicBoundariesGroupContext.WrappedData)
             };
         }