these errors mean that there is a problem with the hosting server php. ini settings for the session.save_path.
you will need to contact the host to have them correct the session.save_path in the php.ini file.
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.