Index: Application/Ringtoets/src/Application.Ringtoets.Migration.Core/RingtoetsSqLiteDatabaseFileMigrator.cs
===================================================================
diff -u -rf05b4b6bbe032a1c358f2a4ffe4f5ff6726d8000 -r90c8c7af20b188d787a29c8e5fcd03823009f209
--- Application/Ringtoets/src/Application.Ringtoets.Migration.Core/RingtoetsSqLiteDatabaseFileMigrator.cs	(.../RingtoetsSqLiteDatabaseFileMigrator.cs)	(revision f05b4b6bbe032a1c358f2a4ffe4f5ff6726d8000)
+++ Application/Ringtoets/src/Application.Ringtoets.Migration.Core/RingtoetsSqLiteDatabaseFileMigrator.cs	(.../RingtoetsSqLiteDatabaseFileMigrator.cs)	(revision 90c8c7af20b188d787a29c8e5fcd03823009f209)
@@ -65,7 +65,8 @@
         {
             return scriptResource.GetManifestResourceNames()
                                  .Where(r => r.Contains("Migration_"))
-                                 .Select(CreateNewUpgradeScript);
+                                 .Select(CreateNewUpgradeScript)
+                                 .ToArray();
         }
 
         private static string GetMigrationScriptFromVersion(string filename)
@@ -99,7 +100,8 @@
         {
             return scriptResource.GetManifestResourceNames()
                                  .Where(r => r.Contains("DatabaseStructure"))
-                                 .Select(CreateNewCreateScript);
+                                 .Select(CreateNewCreateScript)
+                                 .ToArray();
         }
 
         private static string GetCreateScriptVersion(string filename)
Index: Ringtoets/Common/src/Ringtoets.Common.Data/IllustrationPoints/FaultTreeIllustrationPoint.cs
===================================================================
diff -u -r08c14e6427740dd913ec90e67b39b90eae396f8d -r90c8c7af20b188d787a29c8e5fcd03823009f209
--- Ringtoets/Common/src/Ringtoets.Common.Data/IllustrationPoints/FaultTreeIllustrationPoint.cs	(.../FaultTreeIllustrationPoint.cs)	(revision 08c14e6427740dd913ec90e67b39b90eae396f8d)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/IllustrationPoints/FaultTreeIllustrationPoint.cs	(.../FaultTreeIllustrationPoint.cs)	(revision 90c8c7af20b188d787a29c8e5fcd03823009f209)
@@ -70,7 +70,7 @@
         {
             var clone = (FaultTreeIllustrationPoint) base.Clone();
 
-            clone.Stochasts = Stochasts.Select(s => (Stochast) s.Clone());
+            clone.Stochasts = Stochasts.Select(s => (Stochast) s.Clone()).ToArray();
 
             return clone;
         }
Index: Ringtoets/Common/src/Ringtoets.Common.Data/IllustrationPoints/GeneralResult.cs
===================================================================
diff -u -r30acee98189fbeafc6e25025d14781ce84750a67 -r90c8c7af20b188d787a29c8e5fcd03823009f209
--- Ringtoets/Common/src/Ringtoets.Common.Data/IllustrationPoints/GeneralResult.cs	(.../GeneralResult.cs)	(revision 30acee98189fbeafc6e25025d14781ce84750a67)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/IllustrationPoints/GeneralResult.cs	(.../GeneralResult.cs)	(revision 90c8c7af20b188d787a29c8e5fcd03823009f209)
@@ -84,8 +84,8 @@
             var clone = (GeneralResult<T>) MemberwiseClone();
 
             clone.GoverningWindDirection = (WindDirection) GoverningWindDirection.Clone();
-            clone.Stochasts = Stochasts.Select(s => (Stochast) s.Clone());
-            clone.TopLevelIllustrationPoints = TopLevelIllustrationPoints.Select(s => (T) s.Clone());
+            clone.Stochasts = Stochasts.Select(s => (Stochast) s.Clone()).ToArray();
+            clone.TopLevelIllustrationPoints = TopLevelIllustrationPoints.Select(s => (T) s.Clone()).ToArray();
 
             return clone;
         }
Index: Ringtoets/Common/src/Ringtoets.Common.Data/IllustrationPoints/IllustrationPointNode.cs
===================================================================
diff -u -rdbb1f44e19506308219de5f8800bcbd2fc0df929 -r90c8c7af20b188d787a29c8e5fcd03823009f209
--- Ringtoets/Common/src/Ringtoets.Common.Data/IllustrationPoints/IllustrationPointNode.cs	(.../IllustrationPointNode.cs)	(revision dbb1f44e19506308219de5f8800bcbd2fc0df929)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/IllustrationPoints/IllustrationPointNode.cs	(.../IllustrationPointNode.cs)	(revision 90c8c7af20b188d787a29c8e5fcd03823009f209)
@@ -87,7 +87,7 @@
             var clone = (IllustrationPointNode) MemberwiseClone();
 
             clone.Data = (IllustrationPointBase) Data.Clone();
-            clone.Children = Children.Select(c => (IllustrationPointNode) c.Clone());
+            clone.Children = Children.Select(c => (IllustrationPointNode) c.Clone()).ToArray();
 
             return clone;
         }
Index: Ringtoets/Common/src/Ringtoets.Common.Data/IllustrationPoints/SubMechanismIllustrationPoint.cs
===================================================================
diff -u -r94611541948becebbd1f6c9a96a0f68e5e5c13db -r90c8c7af20b188d787a29c8e5fcd03823009f209
--- Ringtoets/Common/src/Ringtoets.Common.Data/IllustrationPoints/SubMechanismIllustrationPoint.cs	(.../SubMechanismIllustrationPoint.cs)	(revision 94611541948becebbd1f6c9a96a0f68e5e5c13db)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/IllustrationPoints/SubMechanismIllustrationPoint.cs	(.../SubMechanismIllustrationPoint.cs)	(revision 90c8c7af20b188d787a29c8e5fcd03823009f209)
@@ -77,8 +77,8 @@
         {
             var clone = (SubMechanismIllustrationPoint) base.Clone();
 
-            clone.Stochasts = Stochasts.Select(s => (SubMechanismIllustrationPointStochast) s.Clone());
-            clone.IllustrationPointResults = IllustrationPointResults.Select(r => (IllustrationPointResult) r.Clone());
+            clone.Stochasts = Stochasts.Select(s => (SubMechanismIllustrationPointStochast) s.Clone()).ToArray();
+            clone.IllustrationPointResults = IllustrationPointResults.Select(r => (IllustrationPointResult) r.Clone()).ToArray();
 
             return clone;
         }