Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Geometry2DImporter/SoilProfile2DImporter.cs
===================================================================
diff -u -r4872 -r4878
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Geometry2DImporter/SoilProfile2DImporter.cs	(.../SoilProfile2DImporter.cs)	(revision 4872)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Geometry2DImporter/SoilProfile2DImporter.cs	(.../SoilProfile2DImporter.cs)	(revision 4878)
@@ -72,12 +72,12 @@
         {
             string profileName = profile.SoilGeometry2DName;
             SoilProfile2D readSoilProfile = ReadSoilProfile(soilProfileDirectory, profileName);
-            foreach (SoilLayer2D surface in readSoilProfile.Surfaces)
+            foreach (string soilName in readSoilProfile.Surfaces.Select(surface => surface.Soil.Name))
             {
-                if (!IsSoilOfSurfacePresent(availableSoils.Soils, surface.Soil.Name))
+                if (!IsSoilOfSurfacePresent(availableSoils.Soils, soilName))
                 {
                     string messageFormat = LocalizationManager.GetTranslatedText(typeof(SoilProfile2DImporter), "ImportSoilProfileErrorUndefinedMaterials");
-                    throw new SoilProfileImporterException(string.Format(messageFormat, profileName, surface.Soil.Name));
+                    throw new SoilProfileImporterException(string.Format(messageFormat, profileName, soilName));
                 }
             }
             TransferSoilLayerProperties(readSoilProfile.Surfaces);