Index: Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.IO/StabilityPointStructuresImporter.cs
===================================================================
diff -u -r4729996da3de69c24738bc39a0ee95fb3909e0c8 -r207fcf758cac8237b31af99f7f54278b32eba658
--- Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.IO/StabilityPointStructuresImporter.cs	(.../StabilityPointStructuresImporter.cs)	(revision 4729996da3de69c24738bc39a0ee95fb3909e0c8)
+++ Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.IO/StabilityPointStructuresImporter.cs	(.../StabilityPointStructuresImporter.cs)	(revision 207fcf758cac8237b31af99f7f54278b32eba658)
@@ -24,7 +24,6 @@
 using System.Linq;
 using Core.Common.Base;
 using Core.Common.Base.Data;
-using Core.Common.Base.IO;
 using Core.Common.Base.Properties;
 using Ringtoets.Common.Data.AssessmentSection;
 using Ringtoets.Common.Data.Exceptions;
@@ -54,7 +53,7 @@
                                                 ReferenceLine referenceLine, string filePath, IImporterMessageProvider messageProvider)
             : base(importTarget, referenceLine, filePath, messageProvider) {}
 
-        protected override void CreateSpecificStructures(ICollection<StructureLocation> structureLocations,
+        protected override IEnumerable<IObservable> UpdateWithCreatedStructures(ICollection<StructureLocation> structureLocations,
                                                          Dictionary<string, List<StructuresParameterRow>> groupedStructureParameterRows)
         {
             IEnumerable<StabilityPointStructure> importedStabilityPointStructures = 
@@ -72,6 +71,7 @@
                 throw new UpdateDataException(exceptionMessage);
             }
             ImportTarget.AddRange(importedStabilityPointStructures);
+            return Enumerable.Empty<IObservable>();
         }
 
         private IEnumerable<StabilityPointStructure> CreateStabilityPointStructures(IEnumerable<StructureLocation> structureLocations,