Make sure that you have the most recent extensions installed:
eCart 6.0.5
design Extender 1.1.7
data Bridge 1.1.8
if you have previous versions installed, uninstall them and install the latest ones.
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.