Index: DamEngine/trunk/src/Deltares.DamEngine.Interface/EngineInterface.cs
===================================================================
diff -u -r1192 -r1394
--- DamEngine/trunk/src/Deltares.DamEngine.Interface/EngineInterface.cs	(.../EngineInterface.cs)	(revision 1192)
+++ DamEngine/trunk/src/Deltares.DamEngine.Interface/EngineInterface.cs	(.../EngineInterface.cs)	(revision 1394)
@@ -167,18 +167,17 @@
             {
                 case DamProjectType.AssessmentRegional:
                     var regionalScenariosCalculator = new RegionalScenariosCalculation();
-                    calculationMessages = regionalScenariosCalculator.Execute(DamProjectData);
+                    regionalScenariosCalculator.Execute(DamProjectData);
                     regionalScenariosCalculator.GetResults();
                     break;
                 case DamProjectType.Operational:
                     throw new NotImplementedException();
                 case DamProjectType.Design:
                     DesignCalculator designCalculator = new DesignCalculator();
 
-                    calculationMessages = designCalculator.Execute(DamProjectData);
+                    designCalculator.Execute(DamProjectData);
                     break;
             }
-            DamProjectData.CalculationMessages = calculationMessages;
             Output output = FillXmlOutputFromDam.CreateOutput(DamProjectData);
             outputXml = DamXmlSerialization.SaveOutputAsXmlString(output);
             SendMessage(new LogMessage() { MessageType = LogMessageType.Info, Message = Resources.EndCalculation });