Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Plugin/HeightStructuresPlugin.cs
===================================================================
diff -u -raac0eeeb6697f9eaab2bbe62dd80f05b38cf515c -r020be8875c3ee16809e8af396307869029f12ba3
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Plugin/HeightStructuresPlugin.cs	(.../HeightStructuresPlugin.cs)	(revision aac0eeeb6697f9eaab2bbe62dd80f05b38cf515c)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Plugin/HeightStructuresPlugin.cs	(.../HeightStructuresPlugin.cs)	(revision 020be8875c3ee16809e8af396307869029f12ba3)
@@ -218,14 +218,8 @@
             }
         }
 
-        private static string ValidateAllDataAvailableAndGetErrorMessage(IAssessmentSection assessmentSection,
-                                                                         HeightStructuresFailureMechanism failureMechanism)
+        private static string ValidateAllDataAvailableAndGetErrorMessage(IAssessmentSection assessmentSection)
         {
-            if (!failureMechanism.Sections.Any())
-            {
-                return RingtoetsCommonFormsResources.Plugin_AllDataAvailable_No_failure_mechanism_sections_imported;
-            }
-
             return HydraulicBoundaryDatabaseConnectionValidator.Validate(assessmentSection.HydraulicBoundaryDatabase);
         }
 
@@ -408,7 +402,7 @@
 
         private static string ValidateAllDataAvailableAndGetErrorMessageForCalculationsInFailureMechanism(HeightStructuresFailureMechanismContext context)
         {
-            return ValidateAllDataAvailableAndGetErrorMessage(context.Parent, context.WrappedData);
+            return ValidateAllDataAvailableAndGetErrorMessage(context.Parent);
         }
 
         private static void ValidateAll(HeightStructuresFailureMechanismContext context)
@@ -581,7 +575,7 @@
 
         private static string ValidateAllDataAvailableAndGetErrorMessageForCalculationsInGroup(HeightStructuresCalculationGroupContext context)
         {
-            return ValidateAllDataAvailableAndGetErrorMessage(context.AssessmentSection, context.FailureMechanism);
+            return ValidateAllDataAvailableAndGetErrorMessage(context.AssessmentSection);
         }
 
         private static void ValidateAll(HeightStructuresCalculationGroupContext context)
@@ -646,7 +640,7 @@
 
         private static string ValidateAllDataAvailableAndGetErrorMessageForCalculation(HeightStructuresCalculationContext context)
         {
-            return ValidateAllDataAvailableAndGetErrorMessage(context.AssessmentSection, context.FailureMechanism);
+            return ValidateAllDataAvailableAndGetErrorMessage(context.AssessmentSection);
         }
 
         private static void Validate(HeightStructuresCalculationContext context)