we have released 5.0.4 to correct this issue. it is now available for download in the download center.
you will need to uninstall Data bridge 1 and eCart 5.0.3, then install eCart 5.0.4 first before reinstalling Data Bridge.
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.