Index: dam clients/DamUI/trunk/src/Dam/Forms/DamPlugin.cs
===================================================================
diff -u -r491 -r533
--- dam clients/DamUI/trunk/src/Dam/Forms/DamPlugin.cs	(.../DamPlugin.cs)	(revision 491)
+++ dam clients/DamUI/trunk/src/Dam/Forms/DamPlugin.cs	(.../DamPlugin.cs)	(revision 533)
@@ -674,11 +674,8 @@
 
                 var damEnginInterface = new EngineInterface(inputXml);
                 string validationMessages = damEnginInterface.Validate();
-                string outputXml;
-                string calculationMessages = damEnginInterface.Run(out outputXml);
+                string outputXml = damEnginInterface.Run();
                
-
-
             }
             catch (Exception e)
             {