Index: Application/Ringtoets/src/Application.Ringtoets.Storage/DbContext/FailureMechanismEntity.cs
===================================================================
diff -u -r1ab694fe2d416435524ceca426d459caac4af304 -r5b4d76a9812fa9c9f06529c05fe47d6aafdb479c
--- Application/Ringtoets/src/Application.Ringtoets.Storage/DbContext/FailureMechanismEntity.cs	(.../FailureMechanismEntity.cs)	(revision 1ab694fe2d416435524ceca426d459caac4af304)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/DbContext/FailureMechanismEntity.cs	(.../FailureMechanismEntity.cs)	(revision 5b4d76a9812fa9c9f06529c05fe47d6aafdb479c)
@@ -38,6 +38,7 @@
         [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors")]
         public FailureMechanismEntity()
         {
+            this.ClosingStructureEntities = new HashSet<ClosingStructureEntity>();
             this.ClosingStructureFailureMechanismMetaEntities = new HashSet<ClosingStructureFailureMechanismMetaEntity>();
             this.DikeProfileEntities = new HashSet<DikeProfileEntity>();
             this.FailureMechanismSectionEntities = new HashSet<FailureMechanismSectionEntity>();
@@ -63,6 +64,8 @@
         public virtual AssessmentSectionEntity AssessmentSectionEntity { get; set; }
         public virtual CalculationGroupEntity CalculationGroupEntity { get; set; }
         [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
+        public virtual ICollection<ClosingStructureEntity> ClosingStructureEntities { get; set; }
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
         public virtual ICollection<ClosingStructureFailureMechanismMetaEntity> ClosingStructureFailureMechanismMetaEntities { get; set; }
         [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
         public virtual ICollection<DikeProfileEntity> DikeProfileEntities { get; set; }