Erreur transmission de commande : paramètre incorrect ($_GET["firstname"] => ), (url => /fr/merchantorder/add?id_merchant=1674&token=f7b2d3bf331d7f73d4640c7a62680aecc7cd5f37&private_key=33b07e70324cb676f030e91e0c8da6ba94e468ad&ref_order=21046&email=contact%40librairie-permaculturelle.fr&amount=21.890000&iso_currency=EUR&company=CDI+-+AgriCampus+Laval+-+Lyc%C3%A9e&firstname=&lastname=CHARRAULT+-+ROUSSEL&address=321+route+de+Saint-Nazaire+CS+81319&postcode=53013&city=LAVAL+cedex&iso_country=FR&phone=0243682493&iso_lang=fr&wait=0&date_order=2023-10-20+08%3A47%3A59)