Index: Ringtoets/StabilityStoneCover/src/Ringtoets.StabilityStoneCover.Plugin/StabilityStoneCoverPlugin.cs
===================================================================
diff -u -rd689ea05c1014eb4d51b927e11eb6c48255f0a47 -r0f6049b15bcadf8de3a59c74e829f27bb725c013
--- Ringtoets/StabilityStoneCover/src/Ringtoets.StabilityStoneCover.Plugin/StabilityStoneCoverPlugin.cs	(.../StabilityStoneCoverPlugin.cs)	(revision d689ea05c1014eb4d51b927e11eb6c48255f0a47)
+++ Ringtoets/StabilityStoneCover/src/Ringtoets.StabilityStoneCover.Plugin/StabilityStoneCoverPlugin.cs	(.../StabilityStoneCoverPlugin.cs)	(revision 0f6049b15bcadf8de3a59c74e829f27bb725c013)
@@ -349,11 +349,6 @@
 
         private string ValidateAllDataAvailableAndGetErrorMessage(IAssessmentSection assessmentSection, StabilityStoneCoverFailureMechanism failureMechanism)
         {
-            if (!failureMechanism.Sections.Any())
-            {
-                return RingtoetsCommonFormsResources.Plugin_AllDataAvailable_No_failure_mechanism_sections_imported;
-            }
-
             if (assessmentSection.HydraulicBoundaryDatabase == null)
             {
                 return RingtoetsCommonFormsResources.Plugin_AllDataAvailable_No_hydraulic_boundary_database_imported;
@@ -506,7 +501,7 @@
                                                 },
                                                 c.AssessmentSection.HydraulicBoundaryDatabase),
                                             ValidateAllDataAvailableAndGetErrorMessageForCalculation)
-                .AddPerformCalculationItem(calculation, nodeData, PerformCalculation)
+                .AddPerformCalculationItem(calculation, nodeData, PerformCalculation, ValidateAllDataAvailableAndGetErrorMessageForCalculation)
                 .AddClearCalculationOutputItem(calculation)
                 .AddSeparator()
                 .AddRenameItem()