From b0ca1cc652c4e97c8bd8a461e062633659e2dbd5 Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Thu, 4 Nov 2021 16:00:02 +0100
Subject: [PATCH] Fix crash when applying prefab that includes both removed and
 added objects

---
 Source/Engine/Level/Prefabs/Prefab.Apply.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Source/Engine/Level/Prefabs/Prefab.Apply.cpp b/Source/Engine/Level/Prefabs/Prefab.Apply.cpp
index 655dae14b..b960ce7cf 100644
--- a/Source/Engine/Level/Prefabs/Prefab.Apply.cpp
+++ b/Source/Engine/Level/Prefabs/Prefab.Apply.cpp
@@ -364,6 +364,7 @@ bool PrefabInstanceData::SynchronizePrefabInstances(Array<PrefabInstanceData>& p
                     obj->SetParent(nullptr);
 
                     sceneObjects.Value->RemoveAtKeepOrder(i);
+                    deserializeSceneObjectIndex--;
                     existingObjectsCount--;
                 }
             }