the error is saying that the file:
Shoebox/Connections/PowerStoreConnection.php
does not exist on the server.
did you run the installation wizard? that file gets created during the installation.
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.