Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/WtiPipingSellmeijerRevised/WtiPipingSellmeijerRevisedKernelWrapper.cs
===================================================================
diff -u -r2575 -r2643
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/WtiPipingSellmeijerRevised/WtiPipingSellmeijerRevisedKernelWrapper.cs	(.../WtiPipingSellmeijerRevisedKernelWrapper.cs)	(revision 2575)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/WtiPipingSellmeijerRevised/WtiPipingSellmeijerRevisedKernelWrapper.cs	(.../WtiPipingSellmeijerRevisedKernelWrapper.cs)	(revision 2643)
@@ -95,12 +95,11 @@
         public int Validate(IKernelDataInput kernelDataInput, IKernelDataOutput kernelDataOutput, out List<LogMessage> messages)
         {
             var wtiPipingSellmeijerRevisedOutput = (WtiPipingSellmeijerRevisedOutput)kernelDataOutput;
-            List<string> kernelMessages = new List<string>();
             messages = new List<LogMessage>();
 
             // Validate the WTI Heave calculator
             var calculatorWtiHeave = CreateWtiHeaveCalculator(kernelDataInput);
-            kernelMessages.Clear();
+            List<string> kernelMessages = new List<string>();
             kernelMessages = calculatorWtiHeave.Validate();
             foreach (string stringMessage in kernelMessages)
             {