From 2ab19cf6eb834ec24254035d2013f1d24e5342c7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Tue, 23 Dec 2025 09:52:40 +0100
Subject: [PATCH] Save wizard session states in new transaction for readonly
 wizard

The transaction is readonly which prevents to save in the database the session
with states.

Closes #14442
---
 trytond/trytond/wizard/wizard.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/trytond/trytond/wizard/wizard.py b/trytond/trytond/wizard/wizard.py
index 7cf830e1a5..43ff98e5fb 100644
--- a/trytond/trytond/wizard/wizard.py
+++ b/trytond/trytond/wizard/wizard.py
@@ -352,7 +352,11 @@ class Wizard(URLMixin, PoolBase):
             wizard.model.log(
                 wizard.records, 'wizard',
                 f'{cls.__name__}:{state_name}')
-        wizard._save()
+        if transaction.readonly:
+            with transaction.new_transaction():
+                wizard._save()
+        else:
+            wizard._save()
         return result
 
     def _execute(self, state_name):