From 51eb88ead1d18d8f13dcbf42ce6f7f1428a4bcf3 Mon Sep 17 00:00:00 2001
From: grossmj <grossmj@gns3.net>
Date: Sat, 4 Apr 2026 20:09:31 +0800
Subject: [PATCH] Use get method for registry_version to avoid KeyError

---
 gns3server/controller/appliance.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gns3server/controller/appliance.py b/gns3server/controller/appliance.py
index ce9d0efba..629765b8b 100644
--- a/gns3server/controller/appliance.py
+++ b/gns3server/controller/appliance.py
@@ -46,7 +46,7 @@ class Appliance:
 
     @property
     def registry_version(self):
-        return self._data["registry_version"]
+        return self._data.get("registry_version")
 
     @property
     def symbol(self):