I think I found the answer - I had to set a phpsessions folder on the server and set php session.save_path to that folder on the doc root. WOW!
Now I'm having trouble connecting to 1st Data Linkpoint to process the transaction.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.