It looks like a few leftover files weren't cleaned up after your last edits. I've deleted those files and the editor appears to be working again. Let us know if you run into any more problems.
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.