Index: dam engine/trunk/src/Deltares.DamEngine.Interface/FillDamFromXmlInput.cs
===================================================================
diff -u -r548 -r549
--- dam engine/trunk/src/Deltares.DamEngine.Interface/FillDamFromXmlInput.cs	(.../FillDamFromXmlInput.cs)	(revision 548)
+++ dam engine/trunk/src/Deltares.DamEngine.Interface/FillDamFromXmlInput.cs	(.../FillDamFromXmlInput.cs)	(revision 549)
@@ -68,6 +68,10 @@
 
         private static void ValidateInput(Input input)
         {
+            if (input == null)
+            {
+                throw new NullReferenceException("No input defined");
+            }
             if (input.Locations == null)
             {
                 throw new NullReferenceException("No locations defined in the input");