Index: Riskeer/Piping/src/Riskeer.Piping.Service/PipingDataSynchronizationService.cs
===================================================================
diff -u -r0c9d5a9c08c87f3604ac3b7f7433987382d2a7dc -re5ca95ad3fe15df9180912744cfe77203f8704a2
--- Riskeer/Piping/src/Riskeer.Piping.Service/PipingDataSynchronizationService.cs	(.../PipingDataSynchronizationService.cs)	(revision 0c9d5a9c08c87f3604ac3b7f7433987382d2a7dc)
+++ Riskeer/Piping/src/Riskeer.Piping.Service/PipingDataSynchronizationService.cs	(.../PipingDataSynchronizationService.cs)	(revision e5ca95ad3fe15df9180912744cfe77203f8704a2)
@@ -131,6 +131,7 @@
             var changedObjects = new Collection<IObservable>();
             object[] removedObjects = failureMechanism.Sections.OfType<object>()
                                                       .Concat(failureMechanism.SectionResults)
+                                                      .Concat(failureMechanism.ScenarioConfigurationsPerFailureMechanismSection)
                                                       .Concat(failureMechanism.CalculationsGroup.GetAllChildrenRecursive())
                                                       .Concat(failureMechanism.StochasticSoilModels)
                                                       .Concat(failureMechanism.SurfaceLines)
@@ -139,6 +140,7 @@
             failureMechanism.ClearAllSections();
             changedObjects.Add(failureMechanism);
             changedObjects.Add(failureMechanism.SectionResults);
+            changedObjects.Add(failureMechanism.ScenarioConfigurationsPerFailureMechanismSection);
 
             failureMechanism.CalculationsGroup.Children.Clear();
             changedObjects.Add(failureMechanism.CalculationsGroup);
Index: Riskeer/Piping/test/Riskeer.Piping.Service.Test/PipingDataSynchronizationServiceTest.cs
===================================================================
diff -u -r0c9d5a9c08c87f3604ac3b7f7433987382d2a7dc -re5ca95ad3fe15df9180912744cfe77203f8704a2
--- Riskeer/Piping/test/Riskeer.Piping.Service.Test/PipingDataSynchronizationServiceTest.cs	(.../PipingDataSynchronizationServiceTest.cs)	(revision 0c9d5a9c08c87f3604ac3b7f7433987382d2a7dc)
+++ Riskeer/Piping/test/Riskeer.Piping.Service.Test/PipingDataSynchronizationServiceTest.cs	(.../PipingDataSynchronizationServiceTest.cs)	(revision e5ca95ad3fe15df9180912744cfe77203f8704a2)
@@ -210,6 +210,7 @@
 
             object[] expectedRemovedObjects = failureMechanism.Sections.OfType<object>()
                                                               .Concat(failureMechanism.SectionResults)
+                                                              .Concat(failureMechanism.ScenarioConfigurationsPerFailureMechanismSection)
                                                               .Concat(failureMechanism.CalculationsGroup.GetAllChildrenRecursive())
                                                               .Concat(failureMechanism.StochasticSoilModels)
                                                               .Concat(failureMechanism.SurfaceLines)
@@ -223,14 +224,16 @@
             // the return result, no ToArray() should be called before these assertions:
             CollectionAssert.IsEmpty(failureMechanism.Sections);
             CollectionAssert.IsEmpty(failureMechanism.SectionResults);
+            CollectionAssert.IsEmpty(failureMechanism.ScenarioConfigurationsPerFailureMechanismSection);
             CollectionAssert.IsEmpty(failureMechanism.CalculationsGroup.Children);
             CollectionAssert.IsEmpty(failureMechanism.StochasticSoilModels);
             CollectionAssert.IsEmpty(failureMechanism.SurfaceLines);
 
             IObservable[] array = results.ChangedObjects.ToArray();
-            Assert.AreEqual(5, array.Length);
+            Assert.AreEqual(6, array.Length);
             CollectionAssert.Contains(array, failureMechanism);
             CollectionAssert.Contains(array, failureMechanism.SectionResults);
+            CollectionAssert.Contains(array, failureMechanism.ScenarioConfigurationsPerFailureMechanismSection);
             CollectionAssert.Contains(array, failureMechanism.CalculationsGroup);
             CollectionAssert.Contains(array, failureMechanism.StochasticSoilModels);
             CollectionAssert.Contains(array, failureMechanism.SurfaceLines);