Index: DamClients/DamUI/trunk/src/Dam/Tools/CsvToDamxConverter/Program.cs
===================================================================
diff -u -r2088 -r2641
--- DamClients/DamUI/trunk/src/Dam/Tools/CsvToDamxConverter/Program.cs	(.../Program.cs)	(revision 2088)
+++ DamClients/DamUI/trunk/src/Dam/Tools/CsvToDamxConverter/Program.cs	(.../Program.cs)	(revision 2641)
@@ -407,9 +407,12 @@
                         Logger.LogWarning(string.Format("Error reading the value from column {0} for group id {1}",
                             sensorSelectionColumnName, id));
                     }
+                    else
+                    {
+                        groupIds = groupIdValue.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
+                        break;
+                    }
 
-                    groupIds = groupIdValue.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
-                    break;
                 }
 
                 if (groupIds == null)