Index: Ringtoets/Piping/src/Ringtoets.Piping.IO/Builders/SoilLayer2D.cs
===================================================================
diff -u -r712a020ea0330ece24849c2710641c1ce399ed61 -rc1e31ab57c197658d1c75750feef8856df7e9f6b
--- Ringtoets/Piping/src/Ringtoets.Piping.IO/Builders/SoilLayer2D.cs	(.../SoilLayer2D.cs)	(revision 712a020ea0330ece24849c2710641c1ce399ed61)
+++ Ringtoets/Piping/src/Ringtoets.Piping.IO/Builders/SoilLayer2D.cs	(.../SoilLayer2D.cs)	(revision c1e31ab57c197658d1c75750feef8856df7e9f6b)
@@ -227,7 +227,7 @@
             var segment2Ds = loop.ToArray();
             if(segment2Ds.Any(segment => IsVerticalAtX(segment, atX)))
             {
-                var message = string.Format(Resources.Error_Can_not_determine_1D_profile_with_vertical_segments_at_x, atX);
+                var message = string.Format(Resources.Error_Can_not_determine_1D_profile_with_vertical_segments_at_X_0_, atX);
                 throw new SoilLayer2DConversionException(message);
             }
             return Math2D.SegmentsIntersectionWithVerticalLine(segment2Ds, atX).Select(p => p.Y);