Index: Ringtoets/Common/src/Ringtoets.Common.IO/ReferenceLineImporter.cs
===================================================================
diff -u -r8c60e937f4b8009fea80f3702879e100fe03b63f -r887b289acf19a81f62d78f371ab70c3f82812b95
--- Ringtoets/Common/src/Ringtoets.Common.IO/ReferenceLineImporter.cs	(.../ReferenceLineImporter.cs)	(revision 8c60e937f4b8009fea80f3702879e100fe03b63f)
+++ Ringtoets/Common/src/Ringtoets.Common.IO/ReferenceLineImporter.cs	(.../ReferenceLineImporter.cs)	(revision 887b289acf19a81f62d78f371ab70c3f82812b95)
@@ -31,6 +31,7 @@
 using log4net;
 using Ringtoets.Common.Data;
 using Ringtoets.Common.Data.AssessmentSection;
+using Ringtoets.Common.Data.Calculation;
 using Ringtoets.Common.Data.FailureMechanism;
 using Ringtoets.Common.Forms.PresentationObjects;
 using Ringtoets.Common.IO.Properties;