Index: DamClients/DamUI/trunk/src/Dam/Tests/DamEngineIo/FillXmlInputFromDamUiTests.cs
===================================================================
diff -u -r3166 -r3282
--- DamClients/DamUI/trunk/src/Dam/Tests/DamEngineIo/FillXmlInputFromDamUiTests.cs	(.../FillXmlInputFromDamUiTests.cs)	(revision 3166)
+++ DamClients/DamUI/trunk/src/Dam/Tests/DamEngineIo/FillXmlInputFromDamUiTests.cs	(.../FillXmlInputFromDamUiTests.cs)	(revision 3282)
@@ -188,6 +188,12 @@
                 selectedSegmentTwoName
             }, input.Segments.Select(segment => segment.Name));
 
+            DamEngine.Io.XmlInput.Segment segmentWith1DProfile = input.Segments.Single(s => string.Equals(s.Name, selectedSegmentOneName));
+            Assert.IsTrue(segmentWith1DProfile.SoilGeometryProbability.All(prob => prob.SoilProfileType == ConversionHelper.ConvertToInputSoilProfileType(SoilProfileType.SoilProfile1D)));
+
+            DamEngine.Io.XmlInput.Segment segmentWith2DProfile = input.Segments.Single(s => string.Equals(s.Name, selectedSegmentTwoName));
+            Assert.IsTrue(segmentWith2DProfile.SoilGeometryProbability.All(prob => prob.SoilProfileType == ConversionHelper.ConvertToInputSoilProfileType(SoilProfileType.SoilProfile2D)));
+
             CollectionAssert.AreEquivalent(new[]
             {
                 firstSoilProfile1DName,
@@ -278,6 +284,11 @@
                 selectedSegmentOneName,
                 selectedSegmentTwoName
             }, input.Segments.Select(segment => segment.Name));
+
+            var segmentWith2DProfile = input.Segments.Where(s => string.Equals(s.Name, selectedSegmentOneName) || string.Equals(s.Name, selectedSegmentTwoName));
+            var probabilities = segmentWith2DProfile.SelectMany(p => p.SoilGeometryProbability);
+            Assert.IsTrue(probabilities.All(prob => prob.SoilProfileType == ConversionHelper.ConvertToInputSoilProfileType(SoilProfileType.SoilProfile2D)));
+
             CollectionAssert.AreEquivalent(new[]
             {
                 segmentOneSoilProfileName, 
@@ -350,6 +361,11 @@
                 selectedSegmentOneName,
                 selectedSegmentTwoName
             }, input.Segments.Select(segment => segment.Name));
+
+            var segmentWith2DProfile = input.Segments.Where(s => string.Equals(s.Name, selectedSegmentOneName) || string.Equals(s.Name, selectedSegmentTwoName));
+            var probabilities = segmentWith2DProfile.SelectMany(p => p.SoilGeometryProbability);
+            Assert.IsTrue(probabilities.All(prob => prob.SoilProfileType == ConversionHelper.ConvertToInputSoilProfileType(SoilProfileType.SoilProfile2D)));
+
             CollectionAssert.AreEquivalent(new[]
             {
                 soilProfileName
@@ -443,6 +459,9 @@
                 segmentOneSoilProfileName
             }, input.SoilProfiles2D.Select(profile => profile.Name));
 
+            DamEngine.Io.XmlInput.Segment segmentWith2DProfile = input.Segments.Single(s => string.Equals(s.Name, selectedSegmentOneName));
+            Assert.IsTrue(segmentWith2DProfile.SoilGeometryProbability.All(prob => prob.SoilProfileType == ConversionHelper.ConvertToInputSoilProfileType(SoilProfileType.SoilProfile2D)));
+
             Assert.That(LogManager.Messages, Has.Count.EqualTo(1));
             Assert.That(LogManager.Messages[0].Message,
                 new StartsWithConstraint($"Location '{selectedLocationTwoName}': The calculation failed with error message:"));
@@ -533,6 +552,9 @@
                 segmentOneSoilProfileName
             }, input.SoilProfiles2D.Select(profile => profile.Name));
 
+            DamEngine.Io.XmlInput.Segment segmentWith2DProfile = input.Segments.Single(s => string.Equals(s.Name, selectedSegmentOneName));
+            Assert.IsTrue(segmentWith2DProfile.SoilGeometryProbability.All(prob => prob.SoilProfileType == ConversionHelper.ConvertToInputSoilProfileType(SoilProfileType.SoilProfile2D)));
+
             Assert.That(LogManager.Messages, Has.Count.EqualTo(2));
             Assert.That(LogManager.Messages[0].Message, 
                 new StartsWithConstraint($"Location '{selectedLocationTwoName}', design scenario 'InvalidScenarioOne': The calculation failed with error message:"));
Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/DamEngineIo/FillXmlInputFromDamUi.cs
===================================================================
diff -u -r3168 -r3282
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/DamEngineIo/FillXmlInputFromDamUi.cs	(.../FillXmlInputFromDamUi.cs)	(revision 3168)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/DamEngineIo/FillXmlInputFromDamUi.cs	(.../FillXmlInputFromDamUi.cs)	(revision 3282)
@@ -705,7 +705,13 @@
                             break;
 
                     }
-                    inputSoilGeometryProbability.SoilProfileType = ConversionHelper.ConvertToInputSoilProfileType(soilGeometryProbability.SoilProfileType);
+
+                    // When the soil profile type is of type sti, it needs to be converted to SoilProfile type 2D for the DamEngine input
+                    // This modification is necessary because the soilprofile 2D is now loaded at the DAM UI side and not at the DamEngine
+                    // However, this does cause a mismatch of the SoilProfileType as per default a 2D is set as a sti on the DAM UI
+                    inputSoilGeometryProbability.SoilProfileType = soilGeometryProbability.SoilProfileType == SoilProfileType.SoilGeometryStiFile
+                        ? ConversionHelper.ConvertToInputSoilProfileType(SoilProfileType.SoilProfile2D)
+                        : ConversionHelper.ConvertToInputSoilProfileType(soilGeometryProbability.SoilProfileType);
                     inputSegment.SoilGeometryProbability[i] = inputSoilGeometryProbability;
                 }
             }
Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/DamEngineIo/FillDamUiFromXmlInput.cs
===================================================================
diff -u -r2954 -r3282
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/DamEngineIo/FillDamUiFromXmlInput.cs	(.../FillDamUiFromXmlInput.cs)	(revision 2954)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/DamEngineIo/FillDamUiFromXmlInput.cs	(.../FillDamUiFromXmlInput.cs)	(revision 3282)
@@ -578,7 +578,15 @@
                 {
                     soilGeometryProbability.SoilGeometry2DName = inputSoilGeometryProbability.SoilProfileName;
                 }
-                if (soilGeometryProbability.SoilProfileType != ConversionHelper.ConvertToSoilProfileType(inputSoilGeometryProbability.SoilProfileType))
+
+
+                // When the soil profile type is of type SoilProfile2D, it needs to be converted BACK to sti for the DAM UI.
+                // This modification is necessary because the soil profile 2D is now loaded at the DAM UI side and not at the DamEngine
+                // However, this does cause a mismatch of the SoilProfileType as per default a 2D is set as a sti on the DAM UI
+                SoilProfileType expectedSoilProfileType = inputSoilGeometryProbability.SoilProfileType == 1
+                    ? ConversionHelper.ConvertToSoilProfileType(2)
+                    : ConversionHelper.ConvertToSoilProfileType(inputSoilGeometryProbability.SoilProfileType);
+                if (soilGeometryProbability.SoilProfileType != expectedSoilProfileType)
                 {
                     throw new ConversionException(typeof(SegmentSoilGeometryProbability), soilGeometryProbability.SoilProfileType);
                 }