Index: Ringtoets/Piping/src/Ringtoets.Piping.Plugin/PipingGuiPlugin.cs
===================================================================
diff -u -rb53320286e086524c6003dc6e47af798ee3935be -rf5ed0a2ad860787e42f81146b5b5d768d99adace
--- Ringtoets/Piping/src/Ringtoets.Piping.Plugin/PipingGuiPlugin.cs	(.../PipingGuiPlugin.cs)	(revision b53320286e086524c6003dc6e47af798ee3935be)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Plugin/PipingGuiPlugin.cs	(.../PipingGuiPlugin.cs)	(revision f5ed0a2ad860787e42f81146b5b5d768d99adace)
@@ -19,6 +19,7 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System;
 using System.Collections;
 using System.Collections.Generic;
 using System.Drawing;
@@ -311,7 +312,7 @@
                           .AddToggleRelevancyOfFailureMechanismItem(pipingFailureMechanismContext, RemoveAllViewsForItem)
                           .AddSeparator()
                           .AddCustomItem(validateAllItem)
-                          .AddPerformAllCalculationsInFailureMechanismItem(pipingFailureMechanismContext, CalculateAll, context => null)
+                          .AddPerformAllCalculationsInFailureMechanismItem(pipingFailureMechanismContext, CalculateAll, EnablePerformAllCalculationsInFailureMechanism)
                           .AddClearAllCalculationOutputInFailureMechanismItem(pipingFailureMechanismContext.WrappedData)
                           .AddSeparator()
                           .AddImportItem()
@@ -324,6 +325,11 @@
                           .Build();
         }
 
+        private string EnablePerformAllCalculationsInFailureMechanism(PipingFailureMechanismContext pipingFailureMechanismContext)
+        {
+            return AllDataAvailable(pipingFailureMechanismContext.WrappedData);
+        }
+
         private void RemoveAllViewsForItem(PipingFailureMechanismContext failureMechanismContext)
         {
             Gui.ViewCommands.RemoveAllViewsForItem(failureMechanismContext);
@@ -436,7 +442,7 @@
                                                          (o, args) => { PipingCalculationService.Validate(calculation); });
 
             return builder.AddCustomItem(validateItem)
-                          .AddPerformCalculationItem(calculation, nodeData, PerformCalculation, context => null)
+                          .AddPerformCalculationItem(calculation, nodeData, PerformCalculation, EnablePerformCalculation)
                           .AddClearCalculationOutputItem(calculation)
                           .AddSeparator()
                           .AddRenameItem()
@@ -452,6 +458,16 @@
                           .Build();
         }
 
+        private string EnablePerformCalculation(PipingCalculationScenarioContext context)
+        {
+            return AllDataAvailable(context.FailureMechanism);
+        }
+
+        private static string AllDataAvailable(PipingFailureMechanism failureMechanism)
+        {
+            return !failureMechanism.Sections.Any() ? RingtoetsCommonFormsResources.GuiPlugin_AllDataAvailable_No_failure_mechanism_sections_imported : null;
+        }
+
         private static object[] PipingCalculationContextChildNodeObjects(PipingCalculationScenarioContext pipingCalculationScenarioContext)
         {
             var childNodes = new List<object>
@@ -559,7 +575,7 @@
                    .AddCreateCalculationItem(nodeData, AddCalculationScenario)
                    .AddSeparator()
                    .AddCustomItem(validateAllItem)
-                   .AddPerformAllCalculationsInGroupItem(group, nodeData, CalculateAll, context => null)
+                   .AddPerformAllCalculationsInGroupItem(group, nodeData, CalculateAll, EnablePerformAllCalculationsInGroup)
                    .AddClearAllCalculationOutputInGroupItem(group)
                    .AddSeparator();
 
@@ -580,6 +596,11 @@
                           .Build();
         }
 
+        private string EnablePerformAllCalculationsInGroup(PipingCalculationGroupContext pipingCalculationGroupContext)
+        {
+            return AllDataAvailable(pipingCalculationGroupContext.FailureMechanism);
+        }
+
         private static void AddCalculationScenario(PipingCalculationGroupContext nodeData)
         {
             var calculation = new PipingCalculationScenario(nodeData.FailureMechanism.GeneralInput)