It looks like a permissions error on the folder you are trying to upload to. If you give me FTP access then I could debug more, but I'd guess this is a folder permissions issue.
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.