Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/SoilProfile/MacroStabilityInwardsPreconsolidationStress.cs
===================================================================
diff -u -r31f59cfc48a6839453e372572d03ecc6ae6f0d00 -r3946a0010baf30b501d9052a692b7ab541b83207
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/SoilProfile/MacroStabilityInwardsPreconsolidationStress.cs	(.../MacroStabilityInwardsPreconsolidationStress.cs)	(revision 31f59cfc48a6839453e372572d03ecc6ae6f0d00)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/SoilProfile/MacroStabilityInwardsPreconsolidationStress.cs	(.../MacroStabilityInwardsPreconsolidationStress.cs)	(revision 3946a0010baf30b501d9052a692b7ab541b83207)
@@ -37,9 +37,19 @@
         /// </summary>
         /// <param name="location">The location of the preconsolidation stress.</param>
         /// <param name="stressDistribution">The stress distribution belonging to the preconsolidation stress.</param>
+        /// <exception cref="ArgumentNullException">Thrown when any parameter is <c>null</c>.</exception>
         /// <exception cref="ArgumentException">Thrown when any of the parameters are <see cref="double.NaN"/>.</exception>
         public MacroStabilityInwardsPreconsolidationStress(Point2D location, VariationCoefficientLogNormalDistribution stressDistribution)
         {
+            if (location == null)
+            {
+                throw new ArgumentNullException(nameof(location));
+            }
+            if (stressDistribution == null)
+            {
+                throw new ArgumentNullException(nameof(stressDistribution));
+            }
+
             ValidateParameterNaN(location.X, Resources.MacroStabilityInwardsPreconsolidationStress_XCoordinate_ParameterName);
             ValidateParameterNaN(location.Y, Resources.MacroStabilityInwardsPreconsolidationStress_ZCoordinate_ParameterName);
             ValidateParameterNaN(stressDistribution.Mean, Resources.MacroStabilityInwardsPreconsolidationStress_PreconsolidationStressMean_ParameterName);