Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.IO/HeightStructuresImporter.cs
===================================================================
diff -u -r0dd52355d7e8eedc01afd118d8936dca2dc3b7be -r7e24cbef3a5a475fef4442be00ced9e5305e0b24
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.IO/HeightStructuresImporter.cs	(.../HeightStructuresImporter.cs)	(revision 0dd52355d7e8eedc01afd118d8936dca2dc3b7be)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.IO/HeightStructuresImporter.cs	(.../HeightStructuresImporter.cs)	(revision 7e24cbef3a5a475fef4442be00ced9e5305e0b24)
@@ -74,19 +74,10 @@
             {
                 string id = structureLocation.Id;
 
-                if (!groupedStructureParameterRows.ContainsKey(id))
-                {
-                    var messages = new[]
-                    {
-                        string.Format(RingtoetsCommonIOResources.StructuresImporter_CreateSpecificStructures_no_structuresdata_for_Location_0_,
-                                      id)
-                    };
-                    LogValidationErrorForStructure(structureLocation.Name, structureLocation.Id, messages);
-                    continue;
-                }
+                List<StructuresParameterRow> structureParameterRows = groupedStructureParameterRows.ContainsKey(id)
+                                                                          ? groupedStructureParameterRows[id]
+                                                                          : new List<StructuresParameterRow>();
 
-                List<StructuresParameterRow> structureParameterRows = groupedStructureParameterRows[id];
-
                 ValidationResult parameterRowsValidationResult = StructuresParameterRowsValidator.ValidateHeightStructuresParameters(structureParameterRows);
                 if (!parameterRowsValidationResult.IsValid)
                 {