Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/CsvImporters/CsvImporterAquifers.cs
===================================================================
diff -u -r4950 -r4951
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/CsvImporters/CsvImporterAquifers.cs	(.../CsvImporterAquifers.cs)	(revision 4950)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/CsvImporters/CsvImporterAquifers.cs	(.../CsvImporterAquifers.cs)	(revision 4951)
@@ -91,11 +91,11 @@
                             string recordError;
                             if (string.IsNullOrEmpty(aquiferRecord.StixFileName))
                             {
-                                recordError = string.Format(LocalizationManager.GetTranslatedText(GetType(), "noStixFileNameForAquiferRecordError"), index);
+                                recordError = string.Format(LocalizationManager.GetTranslatedText(GetType(), "noStixFileNameForAquiferRecordError"), index - 1);
                             }
                             else
                             {
-                                recordError = string.Format(LocalizationManager.GetTranslatedText(GetType(), "noLayerNameForAquiferRecordError"), index);
+                                recordError = string.Format(LocalizationManager.GetTranslatedText(GetType(), "noLayerNameForAquiferRecordError"), index - 1);
                             }
                             ErrorMessages.Add($"{recordError}");
                         }
@@ -108,7 +108,7 @@
                     {
                         string csvAquiferError = string.Format(LocalizationManager.GetTranslatedText(GetType(), "csvAquiferError"), 
                                                                colIndex + 1);
-                        ErrorMessages.Add($"Record {index}: {csvAquiferError + e.Message}");
+                        ErrorMessages.Add($"Record {index - 1}: {csvAquiferError + e.Message}");
                     }
                 }
             }
Index: DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/CsvImporterTests.cs
===================================================================
diff -u -r4933 -r4951
--- DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/CsvImporterTests.cs	(.../CsvImporterTests.cs)	(revision 4933)
+++ DamClients/DamUI/trunk/src/Dam/Deltares.Dam.Tests/CsvImporterTests.cs	(.../CsvImporterTests.cs)	(revision 4951)
@@ -296,7 +296,7 @@
 
         CreateAquifersFileWithMissingStixFileName(testFilePath);
         var importer = new CsvImporterAquifers(testFilePath);
-        Assert.That(importer.ErrorMessages[0], Is.EqualTo("Aquifer record 3 has no stix filename."));
+        Assert.That(importer.ErrorMessages[0], Is.EqualTo("Aquifer record 2 has no stix filename."));
     }
 
     [Test]
@@ -311,7 +311,7 @@
 
         CreateAquifersFileWithMissingLayerName(testFilePath);
         var importer = new CsvImporterAquifers(testFilePath);
-        Assert.That(importer.ErrorMessages[0], Is.EqualTo("Aquifer record 3 has no layer name."));
+        Assert.That(importer.ErrorMessages[0], Is.EqualTo("Aquifer record 2 has no layer name."));
     }
 
     [Test]