Index: Ringtoets/Revetment/src/Ringtoets.Revetment.Forms/PropertyClasses/WaveConditionsOutputProperties.cs
===================================================================
diff -u -r6300c24a20d2bc8bf9d2e66b727d8fc8e5d2ff54 -r2019968ec46375ee661021e396120c90185fb430
--- Ringtoets/Revetment/src/Ringtoets.Revetment.Forms/PropertyClasses/WaveConditionsOutputProperties.cs	(.../WaveConditionsOutputProperties.cs)	(revision 6300c24a20d2bc8bf9d2e66b727d8fc8e5d2ff54)
+++ Ringtoets/Revetment/src/Ringtoets.Revetment.Forms/PropertyClasses/WaveConditionsOutputProperties.cs	(.../WaveConditionsOutputProperties.cs)	(revision 2019968ec46375ee661021e396120c90185fb430)
@@ -19,6 +19,7 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System;
 using System.ComponentModel;
 using Core.Common.Base.Data;
 using Core.Common.Gui.PropertyBag;
@@ -83,5 +84,10 @@
                 return data.WaveAngle;
             }
         }
+
+        public override string ToString()
+        {
+            return string.Empty;
+        }
     }
 }
\ No newline at end of file