Index: dam engine/trunk/src/Deltares.DamEngine.Calculators/General/DamProjectCalculator.cs
===================================================================
diff -u -r670 -r711
--- dam engine/trunk/src/Deltares.DamEngine.Calculators/General/DamProjectCalculator.cs	(.../DamProjectCalculator.cs)	(revision 670)
+++ dam engine/trunk/src/Deltares.DamEngine.Calculators/General/DamProjectCalculator.cs	(.../DamProjectCalculator.cs)	(revision 711)
@@ -780,7 +780,11 @@
             var plLinesCreator = new PLLinesCreator();
             // Determine geometry type
             SoilProfileType soilProfileType = soilProfileProbability.SoilProfileType;
-            string mapForSoilGeometries2D = location.MapForSoilGeometries2D;
+            string mapForSoilGeometries2D = "";
+            if (location.StabilityOptions != null)
+            {
+                mapForSoilGeometries2D = location.StabilityOptions.MapForSoilGeometries2D;
+            }
             SoilProfile1D soilProfile = soilProfileProbability.SoilProfile1D;
             string soilGeometry2DName = soilProfileProbability.StiFileName;
             if ((soilProfileProbability.StiFileName != null) && (mapForSoilGeometries2D != null))