The latest Magento upgrade to version 1.4.1.1 causes a naming conflict within the FedEx freight and LTL shipping extensions.
If you have purchased the extension in the past and wish to upgrade to 1.4.1.1, you will need to install one of the patches below.
Patch to make existing FedEx Freight shipping extension compatible with Magento v1.4.1.1:
Patch to make existing FedEx National LTL shipping extension compatible with Magento v1.4.1.1:
Why am I charging for the patch? Well, because I had to spend time debugging the issue, creating the fix, and setting up a process to distribute the fix. All of that takes time.
Note that the patch has been integrated into the current extension downloads as version 1.2.2 (i.e. if you’re purchasing the extension for the first time, the patch is not needed).