i had this same problem and i found out that Universal Email 2.8 is NOT compatible with eCart4.
after i downloaded and installed Universal Email 3.0, the problem went away.
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.