Ok now that you got that solved, here is a new problem that has cropped up.
When you go to the who's online link, this is what you get:
Warning: Unknown(/home/rollitup/public_html/includes/wt_include.php): failed to open stream: No such file or directory in /includes/functions_online.php(862) : eval()'d code on line 25
Fatal error: (null)() [function.require]: Failed opening required '/home/rollitup/public_html/includes/wt_include.php' (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/rollitup/public_html/includes/functions_online.php(862) : eval()'d code on line 25