Index: Ringtoets/Piping/src/Ringtoets.Piping.IO/Importers/PipingConfigurationImporter.cs
===================================================================
diff -u -rdfe649292c68391f773d01a0ec9e9950a04e031e -rf0546eef016ca191ca0958e00cfed380f682c80d
--- Ringtoets/Piping/src/Ringtoets.Piping.IO/Importers/PipingConfigurationImporter.cs	(.../PipingConfigurationImporter.cs)	(revision dfe649292c68391f773d01a0ec9e9950a04e031e)
+++ Ringtoets/Piping/src/Ringtoets.Piping.IO/Importers/PipingConfigurationImporter.cs	(.../PipingConfigurationImporter.cs)	(revision f0546eef016ca191ca0958e00cfed380f682c80d)
@@ -97,7 +97,7 @@
 
             var validCalculationItems = new List<ICalculationBase>();
 
-            foreach (IReadPipingCalculationItem readItem in readResult.ImportedItems)
+            foreach (IReadPipingCalculationItem readItem in readResult.Items)
             {
                 if (Canceled)
                 {
@@ -354,7 +354,7 @@
             {
                 return new ReadResult<IReadPipingCalculationItem>(false)
                 {
-                    ImportedItems = new PipingConfigurationReader(FilePath).Read().ToList()
+                    Items = new PipingConfigurationReader(FilePath).Read().ToList()
                 };
             }
             catch (Exception exception) when (exception is ArgumentException