Index: src/Deltares.DSoilModel.Tests/TestFiles/Missing profiles/1D_profiles.csv
===================================================================
diff -u
--- src/Deltares.DSoilModel.Tests/TestFiles/Missing profiles/1D_profiles.csv	(revision 0)
+++ src/Deltares.DSoilModel.Tests/TestFiles/Missing profiles/1D_profiles.csv	(revision 258)
@@ -0,0 +1,10 @@
+soilprofile_id;top_level;soil_name;max-d;min-d;extra;remark
+Segment_1001_1D1;1.5;H_Mkw_z&k;1.5;1.5;;
+Segment_1001_1D1;-5;H_Mg_zf;-4;-6;;
+Segment_1001_1D1;-30;P_Om_zf;-28;-32;;Combinatie van Eem Formatie en Fm. van Drente en Peelo
+Segment_1001_1D2;1.5;H_Mr_kz;1.5;1.5;;Restgeulopvulling met klei
+Segment_1001_1D2;-7.5;H_Mg_zf;-6;-8;;
+Segment_1001_1D2;-30;P_Om_zf;-28;-32;;Combinatie van Eem Formatie en Fm. van Drente en Peelo
+Segment_1001_1D3;1.5;H_Mp_zf;1.5;1.5;;
+Segment_1001_1D3;-2.5;H_Mg_zf;-1.5;-3.5;;
+Segment_1001_1D3;-30;P_Om_zf;-28;-32;;Combinatie van Eem Formatie en Fm. van Drente en Peelo
Index: src/Deltares.DSoilModel.Tests/TestFiles/Missing profiles/1D_profiles_2segmenten.csv
===================================================================
diff -u
--- src/Deltares.DSoilModel.Tests/TestFiles/Missing profiles/1D_profiles_2segmenten.csv	(revision 0)
+++ src/Deltares.DSoilModel.Tests/TestFiles/Missing profiles/1D_profiles_2segmenten.csv	(revision 258)
@@ -0,0 +1,20 @@
+soilprofile_id;top_level;soil_name;max-d;min-d;extra;remark
+Segment_1001_1D1;1.5;H_Mkw_z&k;1.5;1.5;;
+Segment_1001_1D1;-5;H_Mg_zf;-4;-6;;
+Segment_1001_1D1;-30;P_Om_zf;-28;-32;;Combinatie van Eem Formatie en Fm. van Drente en Peelo
+Segment_1001_1D2;1.5;H_Mr_kz;1.5;1.5;;Restgeulopvulling met klei
+Segment_1001_1D2;-7.5;H_Mg_zf;-6;-8;;
+Segment_1001_1D2;-30;P_Om_zf;-28;-32;;Combinatie van Eem Formatie en Fm. van Drente en Peelo
+Segment_1001_1D3;1.5;H_Mp_zf;1.5;1.5;;
+Segment_1001_1D3;-2.5;H_Mg_zf;-1.5;-3.5;;
+Segment_1001_1D3;-30;P_Om_zf;-28;-32;;Combinatie van Eem Formatie en Fm. van Drente en Peelo
+Segment_2001_1D1;2;H_Ova_zf;2;2;;Duinzand
+Segment_2001_1D1;1.5;H_Mkw_z&k;1.75;1.25;;
+Segment_2001_1D1;-4;H_Mg_zf;-3.5;-5;;
+Segment_2001_1D1;-22.5;P_Om_k;-21;-23;;
+Segment_2001_1D1;-32;P_Om_zf;-29;-36;;
+Segment_2001_1D2;2;H_Ova_zf;2;2;;Duinzand
+Segment_2001_1D2;1.5;H_Mr_kz;1.75;1.25;;Restgeulopvulling met klei
+Segment_2001_1D2;-4;H_Mg_zf;-3.5;-5;;
+Segment_2001_1D2;-22.5;P_Om_k;-21;-23;;
+Segment_2001_1D2;-32;P_Om_zf;-29;-36;;
Index: src/Deltares.DSoilModel.Tests/Deltares.DSoilModel.Tests.csproj
===================================================================
diff -u -r63 -r258
--- src/Deltares.DSoilModel.Tests/Deltares.DSoilModel.Tests.csproj	(.../Deltares.DSoilModel.Tests.csproj)	(revision 63)
+++ src/Deltares.DSoilModel.Tests/Deltares.DSoilModel.Tests.csproj	(.../Deltares.DSoilModel.Tests.csproj)	(revision 258)
@@ -136,6 +136,18 @@
     <None Include="TestFiles\DSoilModelsurfacelines.csv">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </None>
+    <None Include="TestFiles\Missing profiles\1D_profiles.csv">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Include="TestFiles\Missing profiles\1D_profiles_2segmenten.csv">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Include="TestFiles\Missing profiles\Soilsegments.csv">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Include="TestFiles\Missing profiles\Soilsegments_2segmenten.csv">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
     <None Include="TestFiles\SoilSegments_version_1_3_3.soil">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
Index: src/Deltares.DSoilModel.Tests/TestFiles/Missing profiles/Soilsegments.csv
===================================================================
diff -u
--- src/Deltares.DSoilModel.Tests/TestFiles/Missing profiles/Soilsegments.csv	(revision 0)
+++ src/Deltares.DSoilModel.Tests/TestFiles/Missing profiles/Soilsegments.csv	(revision 258)
@@ -0,0 +1,9 @@
+segment_id;soilprofile_id;probability;calculation_type
+1001;Segment_1001_1D1;60;Stability
+1001;Segment_1001_1D1;60;Piping
+1001;Segment_1001_1D2;10;Stability
+1001;Segment_1001_1D2;10;Piping
+1001;Segment_1001_1D3;15;Stability
+1001;Segment_1001_1D3;15;Piping
+1001;Segment_1001_1D4;15;Stability
+1001;Segment_1001_1D4;15;Piping
\ No newline at end of file
Index: src/Deltares.DSoilModel.Tests/TestFiles/Missing profiles/Soilsegments_2segmenten.csv
===================================================================
diff -u
--- src/Deltares.DSoilModel.Tests/TestFiles/Missing profiles/Soilsegments_2segmenten.csv	(revision 0)
+++ src/Deltares.DSoilModel.Tests/TestFiles/Missing profiles/Soilsegments_2segmenten.csv	(revision 258)
@@ -0,0 +1,13 @@
+segment_id;soilprofile_id;probability;calculation_type
+1001;Segment_1001_1D1;60;Stability
+1001;Segment_1001_1D1;60;Piping
+1001;Segment_1001_1D2;10;Stability
+1001;Segment_1001_1D2;10;Piping
+1001;Segment_1001_1D3;15;Stability
+1001;Segment_1001_1D3;15;Piping
+1001;Segment_1001_1D4;15;Stability
+1001;Segment_1001_1D4;15;Piping
+2001;Segment_2001_1D1;95;Stability
+2001;Segment_2001_1D1;95;Piping
+2001;Segment_2001_1D2;5;Stability
+2001;Segment_2001_1D2;5;Piping
Index: src/Deltares.DSoilModel.Tests/DSoilModelIOTest.cs
===================================================================
diff -u -r110 -r258
--- src/Deltares.DSoilModel.Tests/DSoilModelIOTest.cs	(.../DSoilModelIOTest.cs)	(revision 110)
+++ src/Deltares.DSoilModel.Tests/DSoilModelIOTest.cs	(.../DSoilModelIOTest.cs)	(revision 258)
@@ -237,5 +237,33 @@
                 Assert.AreEqual("BondStressCurve", project.BondStressCurves.First().Name);
             }
         }
+
+        [Test]
+        public void HandleSegmentCsvImportWithMissingProfiles()
+        {
+            // see issue DSB-389, dataset wit all profiles missing
+            var project = new DSoilModelProject();
+            LogManager.Clear();
+            project.ReadSoilProfiles1DFromFile(@"TestFiles\Missing profiles\1D_profiles.csv");
+            Assert.AreEqual(3, project.SoilProfiles1D.Count);
+            Assert.AreEqual(5, LogManager.Messages.Count(m => m.Message.Contains("undefined soil")));
+
+            LogManager.Clear();
+            DSoilModelIO.ReadCsvSegmentsFromFileAndAddToProject(@"TestFiles\Missing profiles\Soilsegments.csv", project, true);
+            Assert.AreEqual(0, project.SoilSegments.Count);
+            Assert.AreEqual(2, LogManager.Messages.Count(m => m.Message.Contains("profiles are missing")));
+
+            // dataset with partially missing profiles
+            project = new DSoilModelProject();
+            LogManager.Clear();
+            project.ReadSoilProfiles1DFromFile(@"TestFiles\Missing profiles\1D_profiles_2segmenten.csv");
+            Assert.AreEqual(5, project.SoilProfiles1D.Count);
+            Assert.AreEqual(7, LogManager.Messages.Count(m => m.Message.Contains("undefined soil")));
+
+            LogManager.Clear();
+            DSoilModelIO.ReadCsvSegmentsFromFileAndAddToProject(@"TestFiles\Missing profiles\Soilsegments_2segmenten.csv", project, true);
+            Assert.AreEqual(2, project.SoilSegments.Count);
+            Assert.AreEqual(2, LogManager.Messages.Count(m => m.Message.Contains("profiles are missing")));
+        }
     }
 }
\ No newline at end of file