Index: dam engine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/DamMacroStability/DamMacroStabilityKernelWrapper.cs
===================================================================
diff -u -r686 -r694
--- dam engine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/DamMacroStability/DamMacroStabilityKernelWrapper.cs	(.../DamMacroStabilityKernelWrapper.cs)	(revision 686)
+++ dam engine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/DamMacroStability/DamMacroStabilityKernelWrapper.cs	(.../DamMacroStabilityKernelWrapper.cs)	(revision 694)
@@ -53,9 +53,12 @@
         /// Validates the specified kernel data input.
         /// </summary>
         /// <param name="kernelDataInput">The kernel data input.</param>
+        /// <param name="kernelDataOutput">The kernel data output.</param>
         /// <param name="messages">The return messages.</param>
-        /// <returns></returns>
-        public int Validate(IKernelDataInput kernelDataInput, out List<LogMessage> messages)
+        /// <returns>
+        /// Number of errors that prevent a calculation
+        /// </returns>
+        public int Validate(IKernelDataInput kernelDataInput, IKernelDataOutput kernelDataOutput, out List<LogMessage> messages)
         {
             var calculator = StabilityCalculator(kernelDataInput);
             //ToDo zant calculator has no Validate. 
@@ -193,11 +196,11 @@
         /// Fills the design results with the kernel output.
         /// </summary>
         /// <param name="damKernelInput">The dam kernel input.</param>
-        /// <param name="">The .</param>
         /// <param name="kernelDataOutput">The kernel data output.</param>
+        /// <param name="resultMessage">The result message.</param>
         /// <param name="designResult">The design result.</param>
         /// <exception cref="NoNullAllowedException"></exception>
-        public void PostProcess(DamKernelInput damKernelInput, IKernelDataOutput kernelDataOutput, out DesignResult designResult)
+        public void PostProcess(DamKernelInput damKernelInput, IKernelDataOutput kernelDataOutput, string resultMessage, out DesignResult designResult)
         {
             DamMacroStabilityOutput damPipingOutput = kernelDataOutput as DamMacroStabilityOutput;
             if (damPipingOutput == null)