Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/DamProjectData.cs
===================================================================
diff -u -r6873 -r6880
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/DamProjectData.cs	(.../DamProjectData.cs)	(revision 6873)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/DamProjectData.cs	(.../DamProjectData.cs)	(revision 6880)
@@ -242,9 +242,15 @@
         {
             if (jobs.Count == 0)
             {
-                var dikeJob = DikeJob as CompositeJob;
-                foreach (LocationJob locationJob in dikeJob.Jobs)
+                var compositeJob = DikeJob as CompositeJob;
+                if (compositeJob == null)
                 {
+                    return jobs;
+                }
+
+                foreach (DamJob damJob in compositeJob.Jobs)
+                {
+                    var locationJob = (LocationJob) damJob;
                     jobs.Add(locationJob);
                 }
             }