here, we're using nopCommerce 3.9 currently as our primary web store.
While, checking out, on selecting shipping method > when we try to get Rates by following method
FedExComputationMethod.cs > GetShippingOptions() > Try > var reply = service.Getrates(request) > the error Comes such as > reply.HighestSeverity = ERROR (msg: Authentication Failed).
We're facing this error since we tried to opt out FedEx shipping plugin.
Please drive us through right way.
Thanks, shopermart.com
For note: we're in Indian region and our store run for indian market only.
"Authentication Failed" means you don't have the right access keys set up. Be sure you are using the production url https://gateway.fedex.com:443/web-services (with production keys)