I had to forward this to Ray, KFM had some syntax issues that are not compatible with PHP 5.4, he updated those in the 2 files from the error. In the future we will be moving away from KFM to a different file manager that is more current.
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.