When the user configures PayPal/Alipay and in his PayPal/Alipay account he set the IPN address to the webhook_url he receives a notification from PayPal/Alipay with data. Then origin of that notification is checked and when PayPal/Alipay sends 'invalid'/'false' as a response the error occurs. To fix this issue the log is updated into a warning. sentry-4116633764 closes odoo/odoo#121476 X-original-commit: 100f2526e91d781a01d959d08dc0ccfae4389061 Signed-off-by: Antoine Vandevenne (anv) <anv@odoo.com> Signed-off-by: Saurabh Choraria (sauc) <sauc@odoo.com>