Index: dam engine/trunk/src/Deltares.DamEngine.Calculators/Stability/StabilityCalculator.cs
===================================================================
diff -u -r683 -r711
--- dam engine/trunk/src/Deltares.DamEngine.Calculators/Stability/StabilityCalculator.cs	(.../StabilityCalculator.cs)	(revision 683)
+++ dam engine/trunk/src/Deltares.DamEngine.Calculators/Stability/StabilityCalculator.cs	(.../StabilityCalculator.cs)	(revision 711)
@@ -159,7 +159,11 @@
                 else
                 {
                     plLineCreator.SoilProfileType = SoilProfileType.ProfileType2D;
-                    string mapForSoilGeometries2D = location.MapForSoilGeometries2D;
+                    string mapForSoilGeometries2D = "";
+                    if (location.StabilityOptions != null)
+                    {
+                        mapForSoilGeometries2D = location.StabilityOptions.MapForSoilGeometries2D;
+                    }
                     soilGeometry2DName = Path.Combine(Path.Combine(DamProjectData.ProjectMap, mapForSoilGeometries2D), soilGeometry2DName);
                     plLineCreator.SoilGeometry2DName = soilGeometry2DName;
                     plLineCreator.SoilList = this.SoilList;