Index: Ringtoets/Common/src/Ringtoets.Common.IO/ReferenceLineMetaImporter.cs
===================================================================
diff -u -r239ea628125c5ec4004a843abce2d269af93c431 -r9ccccb49274ddad9696632ec89efda0ce2e34afc
--- Ringtoets/Common/src/Ringtoets.Common.IO/ReferenceLineMetaImporter.cs	(.../ReferenceLineMetaImporter.cs)	(revision 239ea628125c5ec4004a843abce2d269af93c431)
+++ Ringtoets/Common/src/Ringtoets.Common.IO/ReferenceLineMetaImporter.cs	(.../ReferenceLineMetaImporter.cs)	(revision 9ccccb49274ddad9696632ec89efda0ce2e34afc)
@@ -86,8 +86,7 @@
             var files = GetShapeFilesInFolder(folderpath);
             if (files.Length == 0)
             {
-                var message = new FileReaderErrorMessageBuilder(folderpath)
-                    .Build(RingtoetsCommonIOResources.ReferenceLineMetaImporter_ValidateAndConnectTo_No_shape_file_found);
+                var message = string.Format(RingtoetsCommonIOResources.ReferenceLineMetaImporter_ValidateAndConnectTo_No_shape_file_found_in_folder_0, folderpath);
                 throw new CriticalFileReadException(message);
             }
 
@@ -122,8 +121,8 @@
             {
                 if (e is IOException || e is SecurityException)
                 {
-                    var message = new FileReaderErrorMessageBuilder(path)
-                        .Build(RingtoetsCommonIOResources.ReferenceLineMetaImporter_ValidateDirectory_Directory_Invalid);
+                    var message = string.Format(RingtoetsCommonIOResources.ReferenceLineMetaImporter_ValidateDirectory_Directory_Invalid,
+                                                         path);
                     throw new CriticalFileReadException(message, e);
                 }
                 throw;
@@ -132,22 +131,22 @@
 
         private void ValidateReferenceLineMetas(ICollection<ReferenceLineMeta> referenceLineMetas)
         {
-            var referenceLineMetasCount = referenceLineMetas.Count;
-            var referenceLineMetasDistinctCount = referenceLineMetas.Select(rlm => rlm.AssessmentSectionId).Distinct().Count();
-
-            if (referenceLineMetasCount != referenceLineMetasDistinctCount)
+            if (referenceLineMetas.Any(rlm => string.IsNullOrEmpty(rlm.AssessmentSectionId)))
             {
                 var message = new FileReaderErrorMessageBuilder(shapeFilePath)
-                    .Build(RingtoetsCommonIOResources.ReferenceLineMetaImporter_ValidateReferenceLineMetas_AssessmentSection_Ids_Not_Unique);
+                    .Build(RingtoetsCommonIOResources.ReferenceLineMetaImporter_ValidateReferenceLineMetas_Missing_AssessmentSection_Ids);
                 throw new CriticalFileValidationException(message);
             }
 
-            if (referenceLineMetas.Any(rlm => string.IsNullOrEmpty(rlm.AssessmentSectionId)))
+            var referenceLineMetasCount = referenceLineMetas.Count;
+            var referenceLineMetasDistinctCount = referenceLineMetas.Select(rlm => rlm.AssessmentSectionId).Distinct().Count();
+            if (referenceLineMetasCount != referenceLineMetasDistinctCount)
             {
                 var message = new FileReaderErrorMessageBuilder(shapeFilePath)
-                    .Build(RingtoetsCommonIOResources.ReferenceLineMetaImporter_ValidateReferenceLineMetas_Missing_AssessmentSection_Ids);
+                    .Build(RingtoetsCommonIOResources.ReferenceLineMetaImporter_ValidateReferenceLineMetas_AssessmentSection_Ids_Not_Unique);
                 throw new CriticalFileValidationException(message);
             }
+
         }
     }
 }
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