This seems to be a Dreamweaver bug. Please check your database that you are trying to use and if you are using a column that stores values such as forward slashes ('/'), replace them with ('//').
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.