I cloned the ground shipping module and called it FedEx Three Day after reading these and many other threads about cloning shipping modules:
https://www.zen-cart.com/tutorials/i...hp?article=189
I installed my cloned module through the admin interface. Unfortunately, when I go to the checkout page, it does not appear as one of the shipping options. If I uninstall ground shipping, my cloned module does appear. I have different sort orders for each module as well.
I have been careful to replace all constants. Nothing has the word 'GROUND' or 'ground' in it.
Is there something special about cloning Ground shipping that makes it a bad idea?
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