Index: DamEngine/trunk/src/Deltares.DamEngine.Data/General/DamProjectData.cs
===================================================================
diff -u -r1602 -r1616
--- DamEngine/trunk/src/Deltares.DamEngine.Data/General/DamProjectData.cs	(.../DamProjectData.cs)	(revision 1602)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data/General/DamProjectData.cs	(.../DamProjectData.cs)	(revision 1616)
@@ -333,10 +333,10 @@
                         sensorData.Sensors.Add(sensor);
                     }
                 }
-                if (sensorData.GetGroupById(sensorLocation.Group.ID) == null && sensorLocation.Group.ID >= 0)
+                if (sensorData.GetGroupById(sensorLocation.SensorGroup.ID) == null && sensorLocation.SensorGroup.ID >= 0)
                 {
-                    sensorLocation.Group.PickSensors = sensorData.Sensors;
-                    sensorData.SensorGroups.Add(sensorLocation.Group);
+                    sensorLocation.SensorGroup.PickSensors = sensorData.Sensors;
+                    sensorData.SensorGroups.Add(sensorLocation.SensorGroup);
                 }
                 if (sensorData.GetSensorLocationByLocationName(sensorLocation.LocationName) == null)
                 {