Index: dam engine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/DamMacroStability/MStabXmlDoc.cs
===================================================================
diff -u -r683 -r692
--- dam engine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/DamMacroStability/MStabXmlDoc.cs	(.../MStabXmlDoc.cs)	(revision 683)
+++ dam engine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/DamMacroStability/MStabXmlDoc.cs	(.../MStabXmlDoc.cs)	(revision 692)
@@ -162,17 +162,21 @@
                 currentSurfaceLine = surfaceLine;
             }
 
-            //ToDo zant_xml CreateAllPLLines was changed
+            //ToDo zant_xml CreateAllPLLines was changed  #Bka: I could not quite retrace this to Dam classic but I believe
             // ToDo zant_mxl I think a Location needs Segments for location.GetMostProbableProfile while creating Pl lines
-            //            failureMechanismeParamatersMStab.PLLines = CreateAllPLLines(scenario.Location, currentSurfaceLine,
-            //                soilProfile, soilGeometry2DName, riverLevelHigh.Value, riverLevelLow);
-//            SoilProfileType soilProfileType;
-//            //            string tmpSoilGeometry2DName;
-//            //            CalculationHelper.DetermineSoilGeometryType(scenario.Location, out soilProfileType, out tmpSoilGeometry2DName);
-//            soilProfileType = SoilProfileType.ProfileType1D;
-//            var waterLevel = 0; // What is the waterlevel?
-//            failureMechanismeParamatersMStab.PLLines = CalculationHelper.CreateAllPLLines(waterLevel,
-//                scenario.Location, soilGeometry2DName, soilProfileType);
+            // #Bka: a location must have a Segment otherwise it is invalid data.
+            //            failureMechanismeParamatersMStab.PLLines = CalculationHelper.CreateAllPLLines(scenario.Location, currentSurfaceLine,
+            //                            soilProfile, soilGeometry2DName, riverLevelHigh.Value, riverLevelLow);
+            // #Bka: if soilGeometry2DName the type must be a sti file (2D) else it must be 1D
+            SoilProfileType soilProfileType = SoilProfileType.ProfileType1D;
+            if (string.IsNullOrEmpty(soilGeometry2DName))
+            {
+                soilProfileType = SoilProfileType.ProfileTypeStiFile;
+            }
+            
+            var waterLevel = riverLevelHigh.Value; // What is the waterlevel? #Bka: I believe this must be riverLevelHigh.Value but check with Tom
+            failureMechanismeParamatersMStab.PLLines = CalculationHelper.CreateAllPLLines(waterLevel,
+                scenario.Location, soilGeometry2DName, soilProfileType);
             // End of ToDo zant_xml CreateAllPLLines was changed
 
             // Slip circle definition for Uplift Van; TODO: Combine with code in StabilityCalculation
@@ -198,11 +202,11 @@
             failureMechanismeParamatersMStab.MStabParameters.ProjectFileName = mstabProjectFilename;
             failureMechanismeParamatersMStab.MStabParameters.SoilDatabaseName = scenario.Location.SoildatabaseName;
 
-            //ToDo zant_xml Fails because PLLines are not created yet
-//            if (!failureMechanismeParamatersMStab.IsComplete)
-//            {
-//                throw new Exception("Not all required data is available");
-//            }
+            //ToDo zant_xml Fails because PLLines are not created yet 
+            if (!failureMechanismeParamatersMStab.IsComplete)
+            {
+                throw new Exception("Not all required data is available");
+            }
 
             DamMStabAssembler assembler = new DamMStabAssembler();
             XDocument mstabXML = assembler.CreateDataTransferObject(failureMechanismeParamatersMStab);