Index: Ringtoets/WaveImpactAsphaltCover/src/Ringtoets.WaveImpactAsphaltCover.Plugin/WaveImpactAsphaltCoverPlugin.cs
===================================================================
diff -u -r16cb360eae0014270ebb6700054afdbbd565ae65 -r78d81c5277da2f3f016dcde8ef1de0cb39fd4248
--- Ringtoets/WaveImpactAsphaltCover/src/Ringtoets.WaveImpactAsphaltCover.Plugin/WaveImpactAsphaltCoverPlugin.cs	(.../WaveImpactAsphaltCoverPlugin.cs)	(revision 16cb360eae0014270ebb6700054afdbbd565ae65)
+++ Ringtoets/WaveImpactAsphaltCover/src/Ringtoets.WaveImpactAsphaltCover.Plugin/WaveImpactAsphaltCoverPlugin.cs	(.../WaveImpactAsphaltCoverPlugin.cs)	(revision 78d81c5277da2f3f016dcde8ef1de0cb39fd4248)
@@ -322,9 +322,7 @@
 
             builder.AddSeparator()
                    .AddValidateAllCalculationsInGroupItem(nodeData,
-                                                          c => ValidateAll(
-                                                              c.WrappedData.GetCalculations().OfType<WaveImpactAsphaltCoverWaveConditionsCalculation>(),
-                                                              c.AssessmentSection.HydraulicBoundaryDatabase),
+                                                          ValidateAll,
                                                           ValidateAllDataAvailableAndGetErrorMessageForCalculationGroup)
                    .AddPerformAllCalculationsInGroupItem(group, nodeData, CalculateAll, ValidateAllDataAvailableAndGetErrorMessageForCalculationGroup)
                    .AddClearAllCalculationOutputInGroupItem(group)
@@ -344,6 +342,12 @@
                           .Build();
         }
 
+        private static void ValidateAll(WaveImpactAsphaltCoverWaveConditionsCalculationGroupContext context)
+        {
+            ValidateAll(context.WrappedData.GetCalculations().OfType<WaveImpactAsphaltCoverWaveConditionsCalculation>(),
+                        context.AssessmentSection.HydraulicBoundaryDatabase);
+        }
+
         private static string ValidateAllDataAvailableAndGetErrorMessageForCalculationGroup(WaveImpactAsphaltCoverWaveConditionsCalculationGroupContext context)
         {
             return ValidateAllDataAvailableAndGetErrorMessage(context.AssessmentSection);
@@ -502,12 +506,7 @@
             return builder.AddExportItem()
                           .AddSeparator()
                           .AddValidateCalculationItem(nodeData,
-                                                      c => ValidateAll(
-                                                          new[]
-                                                          {
-                                                              c.WrappedData
-                                                          },
-                                                          c.AssessmentSection.HydraulicBoundaryDatabase),
+                                                      ValidateAll,
                                                       ValidateAllDataAvailableAndGetErrorMessageForCalculation)
                           .AddPerformCalculationItem(calculation, nodeData, PerformCalculation, ValidateAllDataAvailableAndGetErrorMessageForCalculation)
                           .AddClearCalculationOutputItem(calculation)
@@ -522,6 +521,16 @@
                           .Build();
         }
 
+        private static void ValidateAll(WaveImpactAsphaltCoverWaveConditionsCalculationContext context)
+        {
+            ValidateAll(
+                new[]
+                {
+                    context.WrappedData
+                },
+                context.AssessmentSection.HydraulicBoundaryDatabase);
+        }
+
         private void PerformCalculation(WaveImpactAsphaltCoverWaveConditionsCalculation calculation,
                                         WaveImpactAsphaltCoverWaveConditionsCalculationContext context)
         {