Hello Rob,
Thank you for reaching out to our technical support forum. I’m sorry to hear about the trouble you’re experiencing.
If you could kindly provide any additional information regarding the issue, it would greatly help me investigate and address it more efficiently. Please share a screenshot of your issue to understand it better. Take a screenshot and share via any platform. For example: Lightshot or Imgur
Please visit the documentation page and check that you have set it correctly:
FedEx Shipping Carrier documentation
Best regards