Index: Riskeer/Migration/src/Riskeer.Migration.Core/EmbeddedResources/Migration_19.1_20.1.sql
===================================================================
diff -u -r8f223d35ced102ff207cff304cefadde224a17ef -rbd1d7eb233cb8f3d16e6e2821e2904d590df274b
--- Riskeer/Migration/src/Riskeer.Migration.Core/EmbeddedResources/Migration_19.1_20.1.sql	(.../Migration_19.1_20.1.sql)	(revision 8f223d35ced102ff207cff304cefadde224a17ef)
+++ Riskeer/Migration/src/Riskeer.Migration.Core/EmbeddedResources/Migration_19.1_20.1.sql	(.../Migration_19.1_20.1.sql)	(revision bd1d7eb233cb8f3d16e6e2821e2904d590df274b)
@@ -734,6 +734,24 @@
 	WHERE [NrDeleted] > 0
 	LIMIT 1;
 
+INSERT INTO TempLogOutputDeleted
+SELECT COUNT()
+FROM [SOURCEPROJECT].PipingCalculationOutputEntity
+    JOIN [SOURCEPROJECT].PipingCalculationEntity USING(PipingCalculationEntityId)
+WHERE UseAssessmentLevelManualInput = 1;
+
+INSERT INTO [LOGDATABASE].MigrationLogEntity (
+    [FromVersion],
+    [ToVersion],
+[LogMessage])
+SELECT
+    "19.1",
+    "20.1",
+    "* Alle berekende resultaten van het toetsspoor 'Piping' waarbij de waterstand handmatig is ingevuld zijn verwijderd."
+FROM TempLogOutputDeleted
+WHERE [NrDeleted] > 0
+    LIMIT 1;
+
 DROP TABLE TempLogOutputDeleted;
 
 INSERT INTO [LOGDATABASE].MigrationLogEntity (
Index: Riskeer/Migration/test/Riskeer.Migration.Integration.Test/MigrationTo201IntegrationTest.cs
===================================================================
diff -u -r8f223d35ced102ff207cff304cefadde224a17ef -rbd1d7eb233cb8f3d16e6e2821e2904d590df274b
--- Riskeer/Migration/test/Riskeer.Migration.Integration.Test/MigrationTo201IntegrationTest.cs	(.../MigrationTo201IntegrationTest.cs)	(revision 8f223d35ced102ff207cff304cefadde224a17ef)
+++ Riskeer/Migration/test/Riskeer.Migration.Integration.Test/MigrationTo201IntegrationTest.cs	(.../MigrationTo201IntegrationTest.cs)	(revision bd1d7eb233cb8f3d16e6e2821e2904d590df274b)
@@ -864,13 +864,16 @@
             {
                 ReadOnlyCollection<MigrationLogMessage> messages = reader.GetMigrationLogMessages();
 
-                Assert.AreEqual(2, messages.Count);
+                Assert.AreEqual(3, messages.Count);
                 var i = 0;
                 MigrationLogTestHelper.AssertMigrationLogMessageEqual(
                     new MigrationLogMessage("19.1", newVersion, "Gevolgen van de migratie van versie 19.1 naar versie 20.1:"),
                     messages[i++]);
                 MigrationLogTestHelper.AssertMigrationLogMessageEqual(
                     new MigrationLogMessage("19.1", newVersion, "* Alle berekende resultaten van het toetsspoor 'Macrostabiliteit binnenwaarts' zijn verwijderd."),
+                    messages[i++]);
+                MigrationLogTestHelper.AssertMigrationLogMessageEqual(
+                    new MigrationLogMessage("19.1", newVersion, "* Alle berekende resultaten van het toetsspoor 'Piping' waarbij de waterstand handmatig is ingevuld zijn verwijderd."),
                     messages[i]);
             }
         }