Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Geometry2DImporter/SoilProfile2DImporter.cs
===================================================================
diff -u -r5898 -r5903
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Geometry2DImporter/SoilProfile2DImporter.cs	(.../SoilProfile2DImporter.cs)	(revision 5898)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Geometry2DImporter/SoilProfile2DImporter.cs	(.../SoilProfile2DImporter.cs)	(revision 5903)
@@ -166,6 +166,13 @@
                 return soilLayer2D.Soil;
             }
         }
+        string st = "surface ";
+        foreach (var geometryPoint in originalSurfaces[2].GeometrySurface.OuterLoop.Points)
+        {
+            st = st + " " + geometryPoint.ToString();
+        }
+        
+        throw new InvalidOperationException("Soil should always be found at point X =" + point.X + " point Z = " + point.Z + " in surface " + st);
         return null;
     }