From 98cc896c3ec8a3c3d844fdaac8b2c69c64c8b57e Mon Sep 17 00:00:00 2001
From: Jedrzej Kosinski <kosinkadink1@gmail.com>
Date: Wed, 17 Dec 2025 19:33:42 -0800
Subject: [PATCH] Fix missing v3_data for v1 nodes in validation

---
 execution.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/execution.py b/execution.py
index afcc07ce7..0f0de778c 100644
--- a/execution.py
+++ b/execution.py
@@ -755,6 +755,7 @@ async def validate_inputs(prompt_id, prompt, item, validated):
     errors = []
     valid = True
 
+    v3_data = None
     validate_function_inputs = []
     validate_has_kwargs = False
     if issubclass(obj_class, _ComfyNodeInternal):