From e24827efb3d053ece7e7d277ef3e3b2c1530d5a3 Mon Sep 17 00:00:00 2001
From: daimini <daimini@amazon.com>
Date: Fri, 7 May 2021 17:08:35 -0700
Subject: [PATCH] Fix direct editing of a reference

---
 .../AzToolsFramework/Prefab/PrefabPublicHandler.cpp       | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabPublicHandler.cpp b/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabPublicHandler.cpp
index 29c7f1c554..d4485f8e99 100644
--- a/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabPublicHandler.cpp
+++ b/Code/Framework/AzToolsFramework/AzToolsFramework/Prefab/PrefabPublicHandler.cpp
@@ -260,14 +260,16 @@ namespace AzToolsFramework
 
         bool PrefabPublicHandler::IsPrefabInInstanceAncestorHierarchy(TemplateId prefabTemplateId, InstanceOptionalConstReference instance)
         {
-            while (instance.has_value())
+            InstanceOptionalConstReference currentInstance = instance;
+
+            while (currentInstance.has_value())
             {
-                if (instance->get().GetTemplateId() == prefabTemplateId)
+                if (currentInstance->get().GetTemplateId() == prefabTemplateId)
                 {
                     return true;
                 }
 
-                instance = instance->get().GetParentInstance();
+                currentInstance = currentInstance->get().GetParentInstance();
             }
 
             return false;