Index: src/Deltares.DSoilModel.Forms/DSoilModelGeometryEditor.cs
===================================================================
diff -u -r275 -r342
--- src/Deltares.DSoilModel.Forms/DSoilModelGeometryEditor.cs	(.../DSoilModelGeometryEditor.cs)	(revision 275)
+++ src/Deltares.DSoilModel.Forms/DSoilModelGeometryEditor.cs	(.../DSoilModelGeometryEditor.cs)	(revision 342)
@@ -1121,9 +1121,17 @@
             
 
             var utils = new GeotechnicsUtilities();
-            var soilProfile2D = utils.CombineSurfaceLineWithSoilProfile2D(surfaceLine2.Geometry, profile2D, null, shift);
-            soilProfile2D.Name = profile2D.Name + surfaceLine2.Name;
-            AddSoilProfile2DToProjectAndUpdateUI(soilProfile2D);
+            try
+            {
+                var soilProfile2D = utils.CombineSurfaceLineWithSoilProfile2D(surfaceLine2.Geometry, profile2D, null, shift);
+                soilProfile2D.Name = profile2D.Name + surfaceLine2.Name;
+                AddSoilProfile2DToProjectAndUpdateUI(soilProfile2D);
+            }
+            catch (GeotechnicsUtilitiesException e)
+            {
+                var title = LocalizationManager.GetTranslatedText(this, "CombinerError");
+                MessageBox.Show(e.Message, title, MessageBoxButtons.OK);
+            }            
         }
 
         private void Create2DProfileFromSoilProfile1DAndSurfaceLine2(SoilProfile1D profile1D, SurfaceLine2 surfaceLine2)
Index: src/Deltares.DSoilModel.Forms/Translations.xml
===================================================================
diff -u -r294 -r342
--- src/Deltares.DSoilModel.Forms/Translations.xml	(.../Translations.xml)	(revision 294)
+++ src/Deltares.DSoilModel.Forms/Translations.xml	(.../Translations.xml)	(revision 342)
@@ -91,4 +91,5 @@
   <Translation ID="ExecuteClearSoilProfile2DCommand" en-US="Clear 2D profile" nl-NL="2D profiel leegmaken" />
   <Translation ID="ExecuteClearSoilProfile2DCommandUserConfirm" en-US="Do you want to clear 2D profile?" nl-NL="Wilt u 2D profiel leegmaken?" />
   <Translation ID="SoilProfile1DLookup2DControl" en-US="1D Profile" nl-NL="1D Profiel" />
+  <Translation ID="CombinerError" en-US="2D Combiner Error" nl-NL="2D Combinatie Fout" />
 </Translations>