It looks like you have an unnamed connection? It is looking for a connection named:
Connections/.php
Maybe you didn't have a connection selected when you ran the wizard somehow?
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.