Index: dam clients/DamUI/trunk/src/Dam/Data/DamEngineIo/FillXmlInputFromDamUi.cs
===================================================================
diff -u -r732 -r735
--- dam clients/DamUI/trunk/src/Dam/Data/DamEngineIo/FillXmlInputFromDamUi.cs	(.../FillXmlInputFromDamUi.cs)	(revision 732)
+++ dam clients/DamUI/trunk/src/Dam/Data/DamEngineIo/FillXmlInputFromDamUi.cs	(.../FillXmlInputFromDamUi.cs)	(revision 735)
@@ -121,10 +121,10 @@
 
         private static void TransferStabilityParameters(DamProjectData damProjectData, Input input)
         {
-            if (damProjectData.DamProjectCalculationSpecification?.CurrentSpecification != null)
+            if (damProjectData.DamProjectCalculationSpecification != null && damProjectData.DamProjectCalculationSpecification.CurrentSpecification != null)
             {
-                var curSpec = damProjectData.DamProjectCalculationSpecification?.CurrentSpecification;
-                if (curSpec.FailureMechanismeParamatersMStab?.MStabParameters != null)
+                var curSpec = damProjectData.DamProjectCalculationSpecification.CurrentSpecification;
+                if (curSpec.FailureMechanismeParamatersMStab != null && curSpec.FailureMechanismeParamatersMStab.MStabParameters != null)
                 {
                     input.StabilityParameters = new StabilityParameters();
                     input.StabilityParameters.SearchMethod = ConversionHelper.ConvertToInputSearchMethod(curSpec.FailureMechanismeParamatersMStab.MStabParameters.SearchMethod);
Index: dam clients/DamUI/trunk/src/Dam/Data/DamEngineIo/FillDamUiFromXmlInput.cs
===================================================================
diff -u -r732 -r735
--- dam clients/DamUI/trunk/src/Dam/Data/DamEngineIo/FillDamUiFromXmlInput.cs	(.../FillDamUiFromXmlInput.cs)	(revision 732)
+++ dam clients/DamUI/trunk/src/Dam/Data/DamEngineIo/FillDamUiFromXmlInput.cs	(.../FillDamUiFromXmlInput.cs)	(revision 735)
@@ -94,7 +94,7 @@
         {
             if (input.StabilityParameters != null)
             {
-                var curSpec = damProjectData.DamProjectCalculationSpecification?.CurrentSpecification;
+                var curSpec = damProjectData.DamProjectCalculationSpecification.CurrentSpecification;
                 if (curSpec != null)
                 {
                     curSpec.FailureMechanismeParamatersMStab = new FailureMechanismeParamatersMStab();