I cannot identify the reason that cause Fedex Shipping Label not working on Magento (188.8.131.52). Everytime I try to generate a new label, I got this message:
An error occurred while creating shipping label.
SoapFault exception: [SOAP-ENV:Server] Fault in app/code/core/Mage/Usa/Model/Shipping/Carrier/Fedex.php:1470
The exception is triggered by this call in
$response = $client->processShipment($requestClient);
How can I go further ? Is it an issue on FedEx server side ?