Erro ao calcular frete no checkout

[cunha-fabricio]

esta acontecendo um erro, em determinados ceps. alguém tem ideia do que pode ser? no log percebi que a frenet retornou o objeto, mas as transportadoras nao sao exibidas no checkout.

DEBUG v1.7.7.5 2023/07/31 - 14:39:28: url: http://api.frenet.com.br/v1/Shipping/GetShippingQuote?data=%7B%22Token%22%3A%22C41F8R9D68RD3C80CDADDE7%22%2C%22Coupom%22%3Anull%2C%22PlatformName%22%3A%22Prestashop%22%2C%22PlatformVersion%22%3A%221.7.7.5%22%2C%22SellerCEP%22%3A%2286181000%22%2C%22RecipientCEP%22%3A%2295115550%22%2C%22RecipientDocument%22%3A%22%22%2C%22ShipmentInvoiceValue%22%3A181.66%2C%22ShippingItemArray%22%3A%5B%7B%22Weight%22%3A1%2C%22Length%22%3A16%2C%22Height%22%3A%2212.000000%22%2C%22Width%22%3A11%2C%22Quantity%22%3A4%2C%22Diameter%22%3A0%2C%22SKU%22%3A%224731%22%2C%22Category%22%3A%22PILHA+RECARREG%5Cu00c1VEL%22%2C%22isFragile%22%3Afalse%7D%2C%7B%22Weight%22%3A1%2C%22Length%22%3A16%2C%22Height%22%3A%222.000000%22%2C%22Width%22%3A%2214.000000%22%2C%22Quantity%22%3A2%2C%22Diameter%22%3A0%2C%22SKU%22%3A%224897%22%2C%22Category%22%3A%22CABO+USB+EXTENSOR%22%2C%22isFragile%22%3Afalse%7D%2C%7B%22Weight%22%3A1%2C%22Length%22%3A16%2C%22Height%22%3A%2211.000000%22%2C%22Width%22%3A11%2C%22Quantity%22%3A1%2C%22Diameter%22%3A0%2C%22SKU%22%3A%225179%22%2C%22Category%22%3A%22ALTO+FALANTE%22%2C%22isFragile%22%3Afalse%7D%2C%7B%22Weight%22%3A1%2C%22Length%22%3A16%2C%22Height%22%3A%225.000000%22%2C%22Width%22%3A%2211.000000%22%2C%22Quantity%22%3A1%2C%22Diameter%22%3A0%2C%22SKU%22%3A%225576%22%2C%22Category%22%3A%22SUPORTE+TV%22%2C%22isFragile%22%3Afalse%7D%2C%7B%22Weight%22%3A1%2C%22Length%22%3A16%2C%22Height%22%3A%2220.000000%22%2C%22Width%22%3A11%2C%22Quantity%22%3A1%2C%22Diameter%22%3A0%2C%22SKU%22%3A%225915%22%2C%22Category%22%3A%22CABO+RCA+X+RCA%22%2C%22isFragile%22%3Afalse%7D%2C%7B%22Weight%22%3A1%2C%22Length%22%3A16%2C%22Height%22%3A%2220.000000%22%2C%22Width%22%3A11%2C%22Quantity%22%3A2%2C%22Diameter%22%3A0%2C%22SKU%22%3A%224895%22%2C%22Category%22%3A%22CABO+USB+IMPRESSORA%22%2C%22isFragile%22%3Afalse%7D%2C%7B%22Weight%22%3A1%2C%22Length%22%3A16%2C%22Height%22%3A%2230.000000%22%2C%22Width%22%3A11%2C%22Quantity%22%3A1%2C%22Diameter%22%3A0%2C%22SKU%22%3A%222162%22%2C%22Category%22%3A%22FILTROS+LINHA%22%2C%22isFragile%22%3Afalse%7D%5D%2C%22RecipientCountry%22%3A%22Brasil%22%2C%22ShippingServiceCode%22%3A%22OWN-CUSTOM%22%7D
DEBUG v1.7.7.5 2023/07/31 - 14:39:28: GetShippingQuote:

<title>404 - File or directory not found.</title> <style type="text/css"> </style>

Server Error

404 - File or directory not found.

The resource you are looking for might have been removed, had its name changed, or is temporarily unavailable.

DEBUG v1.7.7.5 2023/07/31 - 14:39:28: PRAZO: não disponível