This issue should be resolved if you install the latest version of eCart from the download center.
You will have to uninstall both eCart and Data Bridge and then reinstall eCart then Data Bridge in that order.
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.