Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Create/FailureMechanismSectionCreateExtensions.cs
===================================================================
diff -u -r3fb0df0ed6e64657154700ee7706e035d5bf99f5 -r1c2f91dd3d03b28ce5e493b068bc34ca4dfc9db7
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Create/FailureMechanismSectionCreateExtensions.cs	(.../FailureMechanismSectionCreateExtensions.cs)	(revision 3fb0df0ed6e64657154700ee7706e035d5bf99f5)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Create/FailureMechanismSectionCreateExtensions.cs	(.../FailureMechanismSectionCreateExtensions.cs)	(revision 1c2f91dd3d03b28ce5e493b068bc34ca4dfc9db7)
@@ -39,7 +39,7 @@
         /// <param name="registry">The object keeping track of create operations.</param>
         /// <returns>A new <see cref="FailureMechanismSectionEntity"/>.</returns>
         /// <exception cref="ArgumentNullException">Thrown when <paramref name="registry"/> is <c>null</c>.</exception>
-        internal static FailureMechanismSectionEntity Create(this FailureMechanismSection section, PersistenceRegistry registry)
+        public static FailureMechanismSectionEntity Create(this FailureMechanismSection section, PersistenceRegistry registry)
         {
             if (registry == null)
             {
@@ -48,7 +48,7 @@
             var failureMechanismSectionEntity = new FailureMechanismSectionEntity
             {
                 Name = section.Name.DeepClone(),
-                FailureMechanismSectionPointXml = new Point2DXmlSerializer().ToXml(section.Points)
+                FailureMechanismSectionPointXml = new Point2DCollectionXmlSerializer().ToXml(section.Points)
             };
 
             registry.Register(failureMechanismSectionEntity, section);