There are updates available to Design Extender and Data Bridge.
uninstall those 2 extensions and install the latest versions:
design Extender 1.1.5
data Bridge 1.1.4
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.