Index: Riskeer/Migration/src/Riskeer.Migration.Core/EmbeddedResources/Migration_18.1_19.1.sql
===================================================================
diff -u -r12fd218d21497cff95fd9aa52539cee9ea426d31 -re465adce439e685e2349141ec6162af2c8865922
--- Riskeer/Migration/src/Riskeer.Migration.Core/EmbeddedResources/Migration_18.1_19.1.sql	(.../Migration_18.1_19.1.sql)	(revision 12fd218d21497cff95fd9aa52539cee9ea426d31)
+++ Riskeer/Migration/src/Riskeer.Migration.Core/EmbeddedResources/Migration_18.1_19.1.sql	(.../Migration_18.1_19.1.sql)	(revision e465adce439e685e2349141ec6162af2c8865922)
@@ -1755,6 +1755,26 @@
 
 DETACH LOGDATABASE;
 
-DETACH SOURCEPROJECT;
+PRAGMA foreign_keys = ON;
 
-PRAGMA foreign_keys = ON;
\ No newline at end of file
+/*
+ Delete all output entries that were calculated with invalid dikeprofiles or foreshoreprofiles
+ Deletion is performed at this stage to prevent orphaned entries in the database after migration 
+*/ 
+DELETE
+FROM GrassCoverErosionInwardsOutputEntity
+WHERE GrassCoverErosionInwardsOutputEntityId IN 
+(
+	SELECT 
+		[GrassCoverErosionInwardsOutputEntityId]
+	FROM [SOURCEPROJECT].GrassCoverErosionInwardsOutputEntity
+	JOIN [SOURCEPROJECT].GrassCoverErosionInwardsCalculationEntity USING(GrassCoverErosionInwardsCalculationEntityId)
+	JOIN [SOURCEPROJECT].DikeProfileEntity USING(DikeProfileEntityId)
+	WHERE(LENGTH(DikeGeometryXml) - LENGTH(REPLACE(REPLACE(DikeGeometryXml, '<SerializableRoughnessPoint>', ''), '</SerializableRoughnessPoint>', ''))) / 
+	(LENGTH('<SerializableRoughnessPoint>') + LENGTH('</SerializableRoughnessPoint>')) < 2
+	OR (LENGTH(ForeshoreXML) - LENGTH(REPLACE(REPLACE(ForeshoreXML, '<SerializablePoint2D>', ''), '</SerializablePoint2D>', ''))) 
+	/ (LENGTH('<SerializablePoint2D>') + LENGTH('</SerializablePoint2D>')) != 1
+);
+
+
+DETACH SOURCEPROJECT;
\ No newline at end of file
Index: Riskeer/Migration/test/Riskeer.Migration.Integration.Test/MigrationTo191IntegrationTest.cs
===================================================================
diff -u -r12fd218d21497cff95fd9aa52539cee9ea426d31 -re465adce439e685e2349141ec6162af2c8865922
--- Riskeer/Migration/test/Riskeer.Migration.Integration.Test/MigrationTo191IntegrationTest.cs	(.../MigrationTo191IntegrationTest.cs)	(revision 12fd218d21497cff95fd9aa52539cee9ea426d31)
+++ Riskeer/Migration/test/Riskeer.Migration.Integration.Test/MigrationTo191IntegrationTest.cs	(.../MigrationTo191IntegrationTest.cs)	(revision e465adce439e685e2349141ec6162af2c8865922)
@@ -69,6 +69,7 @@
                     AssertPipingSoilLayers(reader);
 
                     AssertGrassCoverErosionInwardsCalculation(reader, sourceFilePath);
+                    AssertGrassCoverErosionInwardsOutput(reader, sourceFilePath);
 
                     AssertGrassCoverErosionOutwardsWaveConditionsCalculations(reader, sourceFilePath);
                     AssertGrassCoverErosionOutwardsWaveConditionsOutput(reader, sourceFilePath);
@@ -326,6 +327,33 @@
             reader.AssertReturnedDataIsValid(validateCalculationsWithValidDikeProfile);
         }
 
+        private static void AssertGrassCoverErosionInwardsOutput(MigratedDatabaseReader reader, string sourceFilePath)
+        {
+            string validateOutputs =
+                $"ATTACH DATABASE \"{sourceFilePath}\" AS SOURCEPROJECT;" +
+                "SELECT COUNT() = " +
+                "( " +
+                "SELECT COUNT() " +
+                "FROM [SOURCEPROJECT].GrassCoverErosionInwardsOutputEntity " +
+                "JOIN [SOURCEPROJECT].GrassCoverErosionInwardsCalculationEntity USING(GrassCoverErosionInwardsCalculationEntityId) " +
+                "JOIN [SOURCEPROJECT].DikeProfileEntity USING(DikeProfileEntityId) " +
+                "WHERE(LENGTH(DikeGeometryXml) - LENGTH(REPLACE(REPLACE(DikeGeometryXml, '<SerializableRoughnessPoint>', ''), '</SerializableRoughnessPoint>', ''))) / " +
+                "(LENGTH('<SerializableRoughnessPoint>') + LENGTH('</SerializableRoughnessPoint>')) > 1 " +
+                "AND (LENGTH(ForeshoreXML) - LENGTH(REPLACE(REPLACE(ForeshoreXML, '<SerializablePoint2D>', ''), '</SerializablePoint2D>', ''))) " +
+                "/ (LENGTH('<SerializablePoint2D>') + LENGTH('</SerializablePoint2D>')) != 1 " +
+                ") " +
+                "FROM GrassCoverErosionInwardsOutputEntity NEW " +
+                "JOIN [SOURCEPROJECT].GrassCoverErosionInwardsOutputEntity OLD USING(GrassCoverErosionInwardsOutputEntityId) " +
+                "WHERE NEW.[GrassCoverErosionInwardsCalculationEntityId] = OLD.[GrassCoverErosionInwardsCalculationEntityId] " +
+                "AND NEW.[GeneralResultFaultTreeIllustrationPointEntityId] IS OLD.[GeneralResultFaultTreeIllustrationPointEntityId] " +
+                "AND NEW.\"Order\" = OLD.\"Order\" " +
+                "AND NEW.[IsOvertoppingDominant] IS OLD.[IsOvertoppingDominant] " +
+                "AND NEW.[WaveHeight] IS OLD.[WaveHeight] " +
+                "AND NEW.[Reliability] IS OLD.[Reliability]; " +
+                "DETACH SOURCEPROJECT;";
+            reader.AssertReturnedDataIsValid(validateOutputs);
+        }
+
         private static void AssertGrassCoverErosionOutwardsWaveConditionsCalculations(MigratedDatabaseReader reader, string sourceFilePath)
         {
             string validateCalculationsWithoutForeshoreProfile =
@@ -1064,7 +1092,6 @@
                 "GrassCoverErosionInwardsCalculationEntity",
                 "GrassCoverErosionInwardsDikeHeightOutputEntity",
                 "GrassCoverErosionInwardsFailureMechanismMetaEntity",
-                "GrassCoverErosionInwardsOutputEntity",
                 "GrassCoverErosionInwardsOvertoppingRateOutputEntity",
                 "GrassCoverErosionInwardsSectionResultEntity",
                 "GrassCoverErosionOutwardsFailureMechanismMetaEntity",