Do you have both Data Bridge and Universal Email 3 installed?
Data Bridge is a replacement of Universal Email, you should have only Data Bridge installed and not any of the extensions that are a part of it.
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.