Index: Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/PropertyClasses/GrassCoverErosionOutwardsDesignWaterLevelLocationContextProperties.cs
===================================================================
diff -u -rac96d7c315129af851634ed5a4a6800b59ede718 -r0ff12a0f9e0b70f0121c9ddd9534b56783c250b8
--- Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/PropertyClasses/GrassCoverErosionOutwardsDesignWaterLevelLocationContextProperties.cs	(.../GrassCoverErosionOutwardsDesignWaterLevelLocationContextProperties.cs)	(revision ac96d7c315129af851634ed5a4a6800b59ede718)
+++ Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/PropertyClasses/GrassCoverErosionOutwardsDesignWaterLevelLocationContextProperties.cs	(.../GrassCoverErosionOutwardsDesignWaterLevelLocationContextProperties.cs)	(revision 0ff12a0f9e0b70f0121c9ddd9534b56783c250b8)
@@ -148,7 +148,7 @@
             set
             {
                 data.WrappedData.DesignWaterLevelCalculation.InputParameters.ShouldIllustrationPointsBeCalculated = value;
-                data.HydraulicBoundaryLocations.NotifyObservers();
+                data.WrappedData.NotifyObservers();
             }
         }
 
Index: Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/PropertyClasses/GrassCoverErosionOutwardsWaveHeightLocationContextProperties.cs
===================================================================
diff -u -rac96d7c315129af851634ed5a4a6800b59ede718 -r0ff12a0f9e0b70f0121c9ddd9534b56783c250b8
--- Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/PropertyClasses/GrassCoverErosionOutwardsWaveHeightLocationContextProperties.cs	(.../GrassCoverErosionOutwardsWaveHeightLocationContextProperties.cs)	(revision ac96d7c315129af851634ed5a4a6800b59ede718)
+++ Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/PropertyClasses/GrassCoverErosionOutwardsWaveHeightLocationContextProperties.cs	(.../GrassCoverErosionOutwardsWaveHeightLocationContextProperties.cs)	(revision 0ff12a0f9e0b70f0121c9ddd9534b56783c250b8)
@@ -148,7 +148,7 @@
             set
             {
                 data.WrappedData.WaveHeightCalculation.InputParameters.ShouldIllustrationPointsBeCalculated = value;
-                data.HydraulicBoundaryLocations.NotifyObservers();
+                data.WrappedData.NotifyObservers();
             }
         }
 
Index: Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/PropertyClasses/GrassCoverErosionOutwardsDesignWaterLevelLocationContextPropertiesTest.cs
===================================================================
diff -u -rac96d7c315129af851634ed5a4a6800b59ede718 -r0ff12a0f9e0b70f0121c9ddd9534b56783c250b8
--- Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/PropertyClasses/GrassCoverErosionOutwardsDesignWaterLevelLocationContextPropertiesTest.cs	(.../GrassCoverErosionOutwardsDesignWaterLevelLocationContextPropertiesTest.cs)	(revision ac96d7c315129af851634ed5a4a6800b59ede718)
+++ Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/PropertyClasses/GrassCoverErosionOutwardsDesignWaterLevelLocationContextPropertiesTest.cs	(.../GrassCoverErosionOutwardsDesignWaterLevelLocationContextPropertiesTest.cs)	(revision 0ff12a0f9e0b70f0121c9ddd9534b56783c250b8)
@@ -309,7 +309,7 @@
                 hydraulicBoundaryLocation
             };
 
-            locations.Attach(observer);
+            hydraulicBoundaryLocation.Attach(observer);
 
             var properties = new GrassCoverErosionOutwardsDesignWaterLevelLocationContextProperties
             {
Index: Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/PropertyClasses/GrassCoverErosionOutwardsWaveHeightLocationContextPropertiesTest.cs
===================================================================
diff -u -rac96d7c315129af851634ed5a4a6800b59ede718 -r0ff12a0f9e0b70f0121c9ddd9534b56783c250b8
--- Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/PropertyClasses/GrassCoverErosionOutwardsWaveHeightLocationContextPropertiesTest.cs	(.../GrassCoverErosionOutwardsWaveHeightLocationContextPropertiesTest.cs)	(revision ac96d7c315129af851634ed5a4a6800b59ede718)
+++ Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Forms.Test/PropertyClasses/GrassCoverErosionOutwardsWaveHeightLocationContextPropertiesTest.cs	(.../GrassCoverErosionOutwardsWaveHeightLocationContextPropertiesTest.cs)	(revision 0ff12a0f9e0b70f0121c9ddd9534b56783c250b8)
@@ -308,7 +308,7 @@
                 hydraulicBoundaryLocation
             };
 
-            locations.Attach(observer);
+            hydraulicBoundaryLocation.Attach(observer);
 
             var properties = new GrassCoverErosionOutwardsWaveHeightLocationContextProperties
             {