Fine tuning of 5ef86ef6c874ab4dc78402493d05b2460c69e7f6 Steps to reproduce: Set a custom language settings for date by switching the %m and %d. Create a sales order Current behavior: Invalid date error boxes was raised two times fixes #33408 opw:1998971 closes odoo/odoo#33415 Signed-off-by: Simon Goffin (sig) <sig@openerp.com>