Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Create/MacroStabilityInwards/MacroStabilityInwardsFailureMechanismCreateExtensions.cs
===================================================================
diff -u -r0641053e020a1478f793ee17e753df60af26171f -re5a3455795622291e3347d1f3a7f900d5bf62da7
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Create/MacroStabilityInwards/MacroStabilityInwardsFailureMechanismCreateExtensions.cs	(.../MacroStabilityInwardsFailureMechanismCreateExtensions.cs)	(revision 0641053e020a1478f793ee17e753df60af26171f)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Create/MacroStabilityInwards/MacroStabilityInwardsFailureMechanismCreateExtensions.cs	(.../MacroStabilityInwardsFailureMechanismCreateExtensions.cs)	(revision e5a3455795622291e3347d1f3a7f900d5bf62da7)
@@ -51,6 +51,8 @@
             AddEntitiesForSurfaceLines(mechanism, registry, entity);
             AddEntitiesForSectionResults(mechanism.SectionResults, registry);
 
+            entity.CalculationGroupEntity = mechanism.CalculationsGroup.Create(registry, 0);
+
             return entity;
         }