Everything is working up to the end of the shopping cart. Everything is processing including the payment, but then I'm left with a 404 Error (Unable to find document)
Using Authorize.net only. I checked the "Payment Gateway" page and there is no option to set the return URL. I had hard coded it somewhere once before but I don't know what file it was in.
I set the return URL for after the transaction at some point in my programming. Now I need to change the URL and can't remember what shopping cart file needs to be edited.