Index: Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Plugin/DuneErosionPlugin.cs
===================================================================
diff -u -rf6159b772668c5564d585d15a86bd8c3632f711c -rbdc32ff91af686a45b08e5f4f4a8d5b45eaba60f
--- Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Plugin/DuneErosionPlugin.cs	(.../DuneErosionPlugin.cs)	(revision f6159b772668c5564d585d15a86bd8c3632f711c)
+++ Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Plugin/DuneErosionPlugin.cs	(.../DuneErosionPlugin.cs)	(revision bdc32ff91af686a45b08e5f4f4a8d5b45eaba60f)
@@ -240,14 +240,14 @@
 
         private static string ValidateAllDataAvailableAndGetErrorMessage(IAssessmentSection assessmentSection, DuneErosionFailureMechanism failureMechanism)
         {
-            if (!failureMechanism.DuneLocations.Any())
+            if (failureMechanism.Contribution <= 0.0)
             {
-                return Resources.DuneErosionPlugin_DuneLocationsContextMenuStrip_Calculate_all_ToolTip_no_locations;
+                return RingtoetsCommonFormsResources.Contribution_of_failure_mechanism_zero;
             }
 
-            if (failureMechanism.Contribution <= 0.0)
+            if (!failureMechanism.DuneLocations.Any())
             {
-                return RingtoetsCommonFormsResources.Contribution_of_failure_mechanism_zero;
+                return Resources.DuneErosionPlugin_DuneLocationsContextMenuStrip_Calculate_all_ToolTip_no_locations;
             }
 
             return HydraulicBoundaryDatabaseConnectionValidator.Validate(assessmentSection.HydraulicBoundaryDatabase);
@@ -274,7 +274,7 @@
                     context.NotifyObservers();
                 });
 
-            var validationText = ValidateAllDataAvailableAndGetErrorMessage(context.AssessmentSection, context.FailureMechanism);
+            string validationText = ValidateAllDataAvailableAndGetErrorMessage(context.AssessmentSection, context.FailureMechanism);
             if (!string.IsNullOrEmpty(validationText))
             {
                 calculateAllItem.Enabled = false;