I'm using Opencart 18.104.22.168 and the default FedEx module doesn't display any shipping options during checkout.
I changed code and get response message:
After contact with FedEx technical support, i found the problem is caused by StateOrProvinceCode.
The script use Zone Name as value, but it need to use Zone Code.
For example, after we change 'Ontario' to 'ON', the FedEx shipping options can success list during checkout.
All you need to do is open file 'catalog/model/shippin...
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