FedEx supports only 150 pound per package, so if you are trying to calculate rates for package which weight more than 150 you get an error. The fix was made and now PackageCount is automatically counted by given weight.
You can download updated FedEx class from this post.
One user was using my FedEx class and could not get rates for Ground service. I have just figured out what was the problem. First of all Ground and Home delivery are ground services and you must set Carrier code to FDXG.
$fedex->setCarrierCode(“FDXG”);
After this I found few bugs witch I fixed and now you can download [...]
FedEx Ship Manager (FSM) Direct was designed to allow customers to connect directly to the FedEx back end systems using their own communications protocol. Welcome to FSM Direct!
You can compose FedEx XML Transactions to interface between your e-commerce application and the FedEx server and vice versa.
This solution is applicable only to those customers that have [...]