Index: Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Plugin/DuneErosionPlugin.cs
===================================================================
diff -u -ree0a1bf9c52c6de7510683c5febf80d3e9922cf3 -rb1d00f94d37eec65843f82a7924551561141c5a8
--- Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Plugin/DuneErosionPlugin.cs	(.../DuneErosionPlugin.cs)	(revision ee0a1bf9c52c6de7510683c5febf80d3e9922cf3)
+++ Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Plugin/DuneErosionPlugin.cs	(.../DuneErosionPlugin.cs)	(revision b1d00f94d37eec65843f82a7924551561141c5a8)
@@ -361,14 +361,8 @@
         #region DuneLocationCalculationsContext TreeNodeInfo
 
         private static string ValidateAllDataAvailableAndGetErrorMessage(IAssessmentSection assessmentSection,
-                                                                         double failureMechanismContribution,
                                                                          double norm)
         {
-            if (failureMechanismContribution <= 0.0)
-            {
-                return RingtoetsCommonFormsResources.Contribution_of_failure_mechanism_zero;
-            }
-
             string errorMessage = HydraulicBoundaryDatabaseConnectionValidator.Validate(assessmentSection.HydraulicBoundaryDatabase);
 
             if (string.IsNullOrEmpty(errorMessage))
@@ -399,7 +393,6 @@
                 });
 
             string validationText = ValidateAllDataAvailableAndGetErrorMessage(context.AssessmentSection,
-                                                                               context.FailureMechanism.Contribution,
                                                                                context.GetNormFunc());
 
             if (!string.IsNullOrEmpty(validationText))