Erreur 500 module prestashop

Bonjour, j'ai une erreur 500 lors de l'intégration du module sendcloud (voir ci dessous).

Pourriez-vous régler ce problème afin que l'intégration du module fonctionne ?

Merci d'avance,
Cdlt

{
"id": [Téléphone visible pour les membres Pro],
"base_url": "[URL visible pour les membres Pro]",
"response_code": 500,
"full_url": "[URL visible pour les membres Pro]",
"method": "GET",
"request": {
"payload": null,
"headers": {
"Accept-Encoding": "gzip, deflate",
"Content-Type": "text/xml",
"user-agent": "SendCloud/1.0 (prestashop; [URL visible pour les membres Pro])",
"Accept": "*/*",
"Authorization": "Basic NDk5VUZNU0pVQk5XUkdaOFhaVEJXWTM4RFNVV1MxOE46",
"Connection": "keep-alive"
}
},
"response": {
"body": "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<prestashop xmlns:xlink=\"[URL visible pour les membres Pro]\">\n<errors>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]></message>\n</error>\n<error>\n<message><![CDATA[Internal error. To see this error please display the PHP errors.]]> ...