From 86f3804d63fb2be263ce900e9ac7e49ca2c23244 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Antonio=20D=C3=ADaz=20Miralles?=
 <tiyujopite1@gmail.com>
Date: Sat, 13 Dec 2025 12:56:46 +0100
Subject: [PATCH] Ensure that the computed traces of a stock move have a lot

For example the production module may include input or output moves without
lot.

Closes #14396
---
 modules/stock_lot/stock.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/stock_lot/stock.py b/modules/stock_lot/stock.py
index d5fac5e16d..64c8d8bb39 100644
--- a/modules/stock_lot/stock.py
+++ b/modules/stock_lot/stock.py
@@ -269,7 +269,7 @@ class LotTrace(ModelSQL, ModelView):
 
     @classmethod
     def _is_trace_move(cls, move):
-        return move.state == 'done'
+        return move.state == 'done' and move.lot
 
     @classmethod
     def _trace_move_order_key(cls, move):