Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Location.cs
===================================================================
diff -u -r6669 -r6722
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Location.cs	(.../Location.cs)	(revision 6669)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Location.cs	(.../Location.cs)	(revision 6722)
@@ -1100,6 +1100,20 @@
 
         return null;
     }
+    
+    /// <summary>
+    /// Since TrafficLoadDistributionAngle is nullable, the default validation does not apply, so explicit validation is enforced here.
+    /// </summary>
+    /// <returns>The validation result for TrafficLoadDistributionAngle.</returns>
+    [Validate]
+    public ValidationResult[] ValidateTrafficLoadDistributionAngle()
+    {
+        if (TrafficLoadDistributionAngle != null)
+        {
+            return Validator.ValidateProperty(this, "TrafficLoadDistributionAngle", "Location");
+        }
+        return null;
+    }
 
     /// <summary>
     /// Gets the dike embankment soil.