Erreur transmission de commande : paramètre incorrect ($_GET["firstname"] => ), (url => /fr/merchantorder/add?id_merchant=1674&token=f7b2d3bf331d7f73d4640c7a62680aecc7cd5f37&private_key=33b07e70324cb676f030e91e0c8da6ba94e468ad&ref_order=20865&email=contact%40librairie-permaculturelle.fr&amount=64.000000&iso_currency=EUR&company=&firstname=&lastname=client+FOIRE&address=&postcode=24470&city=saint+saud&iso_country=FR&phone=&iso_lang=fr&wait=0&date_order=2023-10-02+12%3A17%3A29)