From 2403428d12007b4919d7b4c622e6e504667e08c1 Mon Sep 17 00:00:00 2001
From: falken10vdl <falken10vdl@gmail.com>
Date: Tue, 23 Dec 2025 07:12:19 +0100
Subject: [PATCH] copy_node_graph handle missing temp_override keys

---
 src/bonsai/bonsai/tool/blender.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/bonsai/bonsai/tool/blender.py b/src/bonsai/bonsai/tool/blender.py
index df8d12b90b..89f72b91e8 100644
--- a/src/bonsai/bonsai/tool/blender.py
+++ b/src/bonsai/bonsai/tool/blender.py
@@ -387,6 +387,8 @@ class Blender(bonsai.core.tool.Blender):
     @classmethod
     def copy_node_graph(cls, material_to: bpy.types.Material, material_from: bpy.types.Material) -> None:
         temp_override = cls.get_shader_editor_context()
+        if not temp_override or any(k not in temp_override for k in ("area", "space", "screen")) or temp_override.get("window") is None:
+            return
         shader_editor = temp_override["space"]
 
         # remove all nodes from the current material