Index: Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Update/AssessmentSectionUpdateExtensionsTest.cs
===================================================================
diff -u -rea14c73fc9ac706d48a5af7125bb570a5d07dd28 -r9d77e28eef1dda363f4854ba2011a0107588d82c
--- Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Update/AssessmentSectionUpdateExtensionsTest.cs	(.../AssessmentSectionUpdateExtensionsTest.cs)	(revision ea14c73fc9ac706d48a5af7125bb570a5d07dd28)
+++ Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Update/AssessmentSectionUpdateExtensionsTest.cs	(.../AssessmentSectionUpdateExtensionsTest.cs)	(revision 9d77e28eef1dda363f4854ba2011a0107588d82c)
@@ -20,6 +20,7 @@
 // All rights reserved.
 
 using System;
+using System.Collections.Generic;
 using System.Data.Entity;
 using System.Linq;
 using Application.Ringtoets.Storage.Create;
@@ -157,6 +158,11 @@
             {
                 CalculationGroupEntityId = section.PipingFailureMechanism.CalculationsGroup.StorageId
             });
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = section.PipingFailureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = section.PipingFailureMechanism.StorageId
+            });
             FillWithFailureMechanismEntities(ringtoetsEntities.FailureMechanismEntities);
 
             // Call
@@ -201,6 +207,11 @@
             {
                 CalculationGroupEntityId = section.PipingFailureMechanism.CalculationsGroup.StorageId
             });
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = section.PipingFailureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = section.PipingFailureMechanism.StorageId
+            });
             FillWithFailureMechanismEntities(ringtoetsEntities.FailureMechanismEntities);
 
             // Call
@@ -246,6 +257,11 @@
             {
                 CalculationGroupEntityId = section.PipingFailureMechanism.CalculationsGroup.StorageId
             });
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = section.PipingFailureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = section.PipingFailureMechanism.StorageId
+            });
             ringtoetsEntities.ReferenceLinePointEntities.Add(referenceLinePointEntity);
             FillWithFailureMechanismEntities(ringtoetsEntities.FailureMechanismEntities);
 
@@ -290,6 +306,11 @@
             {
                 CalculationGroupEntityId = section.PipingFailureMechanism.CalculationsGroup.StorageId
             });
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = section.PipingFailureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = section.PipingFailureMechanism.StorageId
+            });
             FillWithFailureMechanismEntities(ringtoetsEntities.FailureMechanismEntities);
 
             // Call
@@ -348,6 +369,11 @@
             {
                 CalculationGroupEntityId = section.PipingFailureMechanism.CalculationsGroup.StorageId
             });
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = section.PipingFailureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = section.PipingFailureMechanism.StorageId
+            });
             FillWithFailureMechanismEntities(ringtoetsEntities.FailureMechanismEntities);
             ringtoetsEntities.HydraulicLocationEntities.Add(hydraulicLocationEntity);
 
@@ -397,6 +423,11 @@
             {
                 CalculationGroupEntityId = section.PipingFailureMechanism.CalculationsGroup.StorageId
             });
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = section.PipingFailureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = section.PipingFailureMechanism.StorageId
+            });
             ringtoetsEntities.FailureMechanismEntities.Add(failureMechanismEntity);
             FillWithFailureMechanismEntities(ringtoetsEntities.FailureMechanismEntities);
 
@@ -443,6 +474,11 @@
             {
                 CalculationGroupEntityId = section.PipingFailureMechanism.CalculationsGroup.StorageId
             });
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = section.PipingFailureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = section.PipingFailureMechanism.StorageId
+            });
             ringtoetsEntities.FailureMechanismEntities.Add(failureMechanismEntity);
             FillWithFailureMechanismEntities(ringtoetsEntities.FailureMechanismEntities);
 
@@ -513,6 +549,11 @@
             {
                 CalculationGroupEntityId = section.PipingFailureMechanism.CalculationsGroup.StorageId
             });
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = section.PipingFailureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = section.PipingFailureMechanism.StorageId
+            });
 
             ringtoetsEntities.FailureMechanismEntities.Add(macrostabilityInwardsEntity);
             ringtoetsEntities.FailureMechanismEntities.Add(macrostabilityOutwardsEntity);
@@ -583,6 +624,10 @@
                     CalculationsGroup =
                     {
                         StorageId = 1
+                    },
+                    PipingProbabilityAssessmentInput =
+                    {
+                        StorageId = 1
                     }
                 },
                 GrassCoverErosionInwards =