Index: DamClients/DamUI/trunk/src/Dam/Deltares.Dam.IntegrationTests/ShearStrengthModelsTests.cs
===================================================================
diff -u -r4888 -r4889
--- DamClients/DamUI/trunk/src/Dam/Deltares.Dam.IntegrationTests/ShearStrengthModelsTests.cs	(.../ShearStrengthModelsTests.cs)	(revision 4888)
+++ DamClients/DamUI/trunk/src/Dam/Deltares.Dam.IntegrationTests/ShearStrengthModelsTests.cs	(.../ShearStrengthModelsTests.cs)	(revision 4889)
@@ -24,6 +24,7 @@
 using Deltares.Dam.Data;
 using Deltares.Dam.TestHelper;
 using Deltares.Standard;
+using Deltares.Standard.Logging;
 using NUnit.Framework;
 
 namespace Deltares.Dam.IntegrationTests
@@ -46,8 +47,8 @@
         [Test]
         public void GivenSoilProfilesWithDifferentShearStrengthModelWhenRunningThenExpectedResultsAreReturned()
         {
-            var projectFilename = Path.Combine(Directory.GetCurrentDirectory(), @"TestData\ShearStrengthModelsTests\ShearStrengthModelsComparison.damx");
-            List<CsvExportData> allCalculationResults = ComputeHelper.ComputeStabilityProject(projectFilename, MStabModelType.Bishop, true, 1);
+            string projectFilename = Path.Combine(Directory.GetCurrentDirectory(), @"TestData\ShearStrengthModelsTests\ShearStrengthModelsComparison.damx");
+            List<CsvExportData> allCalculationResults = ComputeHelper.ComputeStabilityProject(projectFilename, MStabModelType.Bishop, true, 1, 1, out List<LogMessage> _);
             Assert.That(allCalculationResults, Has.Count.EqualTo(3));
 
             for (int i = 0; i < 3; i++)
@@ -78,18 +79,29 @@
         /// Expected is that the soil profile SigmaTauMaterial returns no result and that a clear calculation error message is displayed.
         /// </summary>
         [Test]
-        [Category("Work_In_Progress")]
-        //[Ignore("unexpected error message occurs, will be solved in MWDAM-2123")]
         public void GivenInvalidSigmaTauCurveNotStartingAt0WhenCalculatingReturnsCalculationErrorMessage()
         {
-            var projectFilename = Path.Combine(Directory.GetCurrentDirectory(), @"TestData\ShearStrengthModelsTests\InvalidSigmaTauCurveNotStartingAt0.damx");
-            List<CsvExportData> allCalculationResults = ComputeHelper.ComputeStabilityProject(projectFilename, MStabModelType.Bishop, true, 1);
+            string projectFilename = Path.Combine(Directory.GetCurrentDirectory(), @"TestData\ShearStrengthModelsTests\InvalidSigmaTauCurveNotStartingAt0.damx");
+            List<CsvExportData> allCalculationResults = ComputeHelper.ComputeStabilityProject(projectFilename, MStabModelType.Bishop, true, 1, 1, out List<LogMessage> logMessages);
             Assert.That(allCalculationResults, Has.Count.EqualTo(2));
             Assert.Multiple(() =>
             {
-                Assert.That(allCalculationResults[1].CalculationResult, Is.EqualTo(CalculationResult.RunFailed));
-                Assert.That(allCalculationResults[1].ResultMessage, Does.Contain("The first sigma value must be 0 for sigma/tau table"));
+                Assert.That(allCalculationResults[0].ProfileName, Is.EqualTo("MohrCoulombMaterial"));
+                Assert.That(allCalculationResults[0].CalculationResult, Is.EqualTo(CalculationResult.Succeeded));
+                
+                Assert.That(allCalculationResults[1].ProfileName, Is.EqualTo("ShansepMaterial"));
+                Assert.That(allCalculationResults[1].CalculationResult, Is.EqualTo(CalculationResult.Succeeded));
             });
+            Assert.That(logMessages, Has.Count.EqualTo(14));
+            Assert.Multiple(() =>
+            {
+                Assert.That(logMessages[6].MessageType, Is.EqualTo(LogMessageType.Error));
+                Assert.That(logMessages[6].Message, Is.EqualTo("Validation failed for location 'Comparison Mohr-Coulomb SigmaTau and SHANSEP', subsoil scenario 'SigmaTauMaterial', design scenario '1'"));
+                Assert.That(logMessages[7].MessageType, Is.EqualTo(LogMessageType.Error));
+                Assert.That(logMessages[7].Message, Is.EqualTo("The first sigma value must be 0 for sigma/tau table "));
+                Assert.That(logMessages[8].MessageType, Is.EqualTo(LogMessageType.Error));
+                Assert.That(logMessages[8].Message, Is.EqualTo("The first sigma value must be 0 for sigma/tau table "));
+            });
         }
     }
 }
\ No newline at end of file
Index: DamClients/DamUI/trunk/src/Dam/Deltares.Dam.BenchmarkTests/DamCalculationBenchmarkTest.cs
===================================================================
diff -u -r4648 -r4889
--- DamClients/DamUI/trunk/src/Dam/Deltares.Dam.BenchmarkTests/DamCalculationBenchmarkTest.cs	(.../DamCalculationBenchmarkTest.cs)	(revision 4648)
+++ DamClients/DamUI/trunk/src/Dam/Deltares.Dam.BenchmarkTests/DamCalculationBenchmarkTest.cs	(.../DamCalculationBenchmarkTest.cs)	(revision 4889)
@@ -23,6 +23,7 @@
 using System.IO;
 using Deltares.Dam.Data;
 using Deltares.Dam.TestHelper;
+using Deltares.Standard.Logging;
 using NUnit.Framework;
 
 namespace Deltares.Dam.BenchmarkTests;
@@ -45,7 +46,7 @@
     private static List<CsvExportData> ComputeStabilityInsideProject(string projectFilename, MStabModelType modelType,
                                                                      int expectedLocations, int maxCores = 1)
     {
-        return ComputeHelper.ComputeStabilityProject(projectFilename, modelType, true, expectedLocations, maxCores);
+        return ComputeHelper.ComputeStabilityProject(projectFilename, modelType, true, expectedLocations, maxCores, out List<LogMessage> _);
     }
 
     private void RemoveCalculationDirectoriesForProject(string aProjectName)
Index: DamClients/DamUI/trunk/src/Dam/Deltares.Dam.TestHelper/ComputeHelper.cs
===================================================================
diff -u -r4648 -r4889
--- DamClients/DamUI/trunk/src/Dam/Deltares.Dam.TestHelper/ComputeHelper.cs	(.../ComputeHelper.cs)	(revision 4648)
+++ DamClients/DamUI/trunk/src/Dam/Deltares.Dam.TestHelper/ComputeHelper.cs	(.../ComputeHelper.cs)	(revision 4889)
@@ -26,6 +26,7 @@
 using Deltares.DamEngine.Io;
 using Deltares.DamEngine.Io.XmlInput;
 using Deltares.DamEngine.Io.XmlOutput;
+using Deltares.Standard.Logging;
 using NUnit.Framework;
 
 namespace Deltares.Dam.TestHelper
@@ -39,10 +40,11 @@
         /// <param name="modelType"></param>
         /// <param name="isStabilityInside"></param>
         /// <param name="expectedLocations"></param>
+        /// <param name="logMessages"></param>
         /// <param name="maxCores"></param>
         /// <returns></returns>
         public static List<CsvExportData> ComputeStabilityProject(string projectFilename, MStabModelType modelType, bool isStabilityInside,
-                                                                        int expectedLocations, int maxCores = 1)
+                                                                  int expectedLocations, int maxCores, out List<LogMessage> logMessages)
         {
             using DamProjectData damProjectData = ProjectLoader.LoadProjectData(projectFilename);
             Assert.That(damProjectData.WaterBoard.Dikes.Count, Is.EqualTo(1));
@@ -89,6 +91,7 @@
             }
 
             List<CsvExportData> allCalculationResults = damProjectData.DesignCalculations;
+            logMessages = damProjectData.CalculationMessages;
             return allCalculationResults;
         }
     }
Index: DamClients/DamUI/trunk/src/Dam/Deltares.Dam.IntegrationTests/FailureMechanismTests.cs
===================================================================
diff -u -r4886 -r4889
--- DamClients/DamUI/trunk/src/Dam/Deltares.Dam.IntegrationTests/FailureMechanismTests.cs	(.../FailureMechanismTests.cs)	(revision 4886)
+++ DamClients/DamUI/trunk/src/Dam/Deltares.Dam.IntegrationTests/FailureMechanismTests.cs	(.../FailureMechanismTests.cs)	(revision 4889)
@@ -24,6 +24,7 @@
 using Deltares.Dam.Data;
 using Deltares.Dam.TestHelper;
 using Deltares.Standard;
+using Deltares.Standard.Logging;
 using NUnit.Framework;
 
 namespace Deltares.Dam.IntegrationTests
@@ -169,7 +170,7 @@
         /// <returns></returns>
         private static List<CsvExportData> ComputeStabilityOutsideProject(string projectFilename, int expectedLocations)
         {
-            return ComputeHelper.ComputeStabilityProject(projectFilename, MStabModelType.Bishop, false, expectedLocations);
+            return ComputeHelper.ComputeStabilityProject(projectFilename, MStabModelType.Bishop, false, expectedLocations, 1, out List<LogMessage> _);
         }
     }
 }
\ No newline at end of file