From bb74334f1f354c397b9833fbec37bacedfb6cfe8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Sat, 19 Sep 2026 10:03:57 +0200
Subject: [PATCH] Do not copy payment amount cache when copying account move
 line

Closes #15111
(grafted from 6f4a8415d5d522e028b06df7b406d63b73bf90d1)

--HG--
branch : 8.0
---
 modules/account_payment/account.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/modules/account_payment/account.py b/modules/account_payment/account.py
index 47fc864c0c..ce7164ec86 100644
--- a/modules/account_payment/account.py
+++ b/modules/account_payment/account.py
@@ -235,6 +235,7 @@ class MoveLine(metaclass=PoolMeta):
         else:
             default = default.copy()
         default.setdefault('payments', None)
+        default.setdefault('payment_amount_cache')
         return super().copy(lines, default=default)
 
     @classmethod