the error means that that there is a reference to a variable named Log_In_group_Remember_my_information that does not exist.
send a copy of the page in a zip archive so I can examine the code to tell anything more than that.
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.