Index: Ringtoets/Piping/src/Ringtoets.Piping.IO/Builders/SoilLayer2DConversionException.cs
===================================================================
diff -u -r10779bb6a6db2d00f4627b2bc190e7e35e1fee3e -rd82fa09fe9ae053ce7702ba89ef23ae029640d1b
--- Ringtoets/Piping/src/Ringtoets.Piping.IO/Builders/SoilLayer2DConversionException.cs	(.../SoilLayer2DConversionException.cs)	(revision 10779bb6a6db2d00f4627b2bc190e7e35e1fee3e)
+++ Ringtoets/Piping/src/Ringtoets.Piping.IO/Builders/SoilLayer2DConversionException.cs	(.../SoilLayer2DConversionException.cs)	(revision d82fa09fe9ae053ce7702ba89ef23ae029640d1b)
@@ -20,11 +20,12 @@
 // All rights reserved.
 
 using System;
+using Ringtoets.Piping.Primitives;
 
 namespace Ringtoets.Piping.IO.Builders
 {
     /// <summary>
-    /// Exception thrown when something went wrong while converting <see cref="SoilLayer2D"/> to <see cref="Ringtoets.Piping.Primitives.PipingSoilProfile"/>.
+    /// Exception thrown when something went wrong while converting <see cref="SoilLayer2D"/> to <see cref="PipingSoilProfile"/>.
     /// </summary>
     public class SoilLayer2DConversionException : Exception
     {