Index: DamEngine/trunk/src/Deltares.DamEngine.Data/Standard/ObjectExtensions.cs
===================================================================
diff -u -r4052 -r4053
--- DamEngine/trunk/src/Deltares.DamEngine.Data/Standard/ObjectExtensions.cs	(.../ObjectExtensions.cs)	(revision 4052)
+++ DamEngine/trunk/src/Deltares.DamEngine.Data/Standard/ObjectExtensions.cs	(.../ObjectExtensions.cs)	(revision 4053)
@@ -407,7 +407,7 @@
         if (type.IsValueType && !IsNullable(type))
         {
             throw new ArgumentNullException(
-                string.Format("The value can't be null because parameter type {0} is a value type", type));
+                $"The value can't be null because parameter type {type} is a value type");
         }
     }