your page has a require once line referencing the file from this location:
and another referencing the file from this location:
delete one of those require once lines.
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.