here is an updated copy of the library.php file that will correct the problem.
copy it to the webassist/framework/library.php and WA_CMS/library.php locations.
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.