you have an outdated copy of free tools installed.
the current version is:
try uninstalling Free Tools and Design Extender, then install them again using the latest free tools update.
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.