Index: DamEngine/trunk/src/Deltares.DamEngine.Data/Geotechnics/SoilLayer1D.cs =================================================================== diff -u -r5294 -r6404 --- DamEngine/trunk/src/Deltares.DamEngine.Data/Geotechnics/SoilLayer1D.cs (.../SoilLayer1D.cs) (revision 5294) +++ DamEngine/trunk/src/Deltares.DamEngine.Data/Geotechnics/SoilLayer1D.cs (.../SoilLayer1D.cs) (revision 6404) @@ -1,4 +1,4 @@ -// Copyright (C) Stichting Deltares 2024. All rights reserved. +// Copyright (C) Stichting Deltares 2025. All rights reserved. // // This file is part of the Dam Engine. // @@ -100,6 +100,7 @@ { layerBelow = LayerBelow(); } + if (layerBelow != null) { layerBelow.topLevel = value;