From 2e305da286e194920c9e70652fc6265708416ce7 Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Tue, 5 Mar 2024 16:31:14 +0100
Subject: [PATCH] Fix crash when scene graph node gets somehow duplicated by
 internal error in Editor

---
 Source/Editor/SceneGraph/SceneGraphNode.cs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Source/Editor/SceneGraph/SceneGraphNode.cs b/Source/Editor/SceneGraph/SceneGraphNode.cs
index b786efb7c..5becb69dc 100644
--- a/Source/Editor/SceneGraph/SceneGraphNode.cs
+++ b/Source/Editor/SceneGraph/SceneGraphNode.cs
@@ -41,7 +41,11 @@ namespace FlaxEditor.SceneGraph
         protected SceneGraphNode(Guid id)
         {
             ID = id;
-            SceneGraphFactory.Nodes.Add(id, this);
+            if (SceneGraphFactory.Nodes.TryGetValue(id, out var duplicate) && duplicate != null)
+            {
+                Editor.LogWarning($"Duplicated Scene Graph node with ID {FlaxEngine.Json.JsonSerializer.GetStringID(id)} of type '{duplicate.GetType().FullName}'");
+            }
+            SceneGraphFactory.Nodes[id] = this;
         }
 
         /// <summary>