PHP NUKE HELP ME

[trevor51590]

I uploaded phpnuke to my server and i edit my config file with my db info. Then when i got to my admin.php i get this error:

Fatal error: Call to undefined function: themeheader() in /homepages/36/d93883006/htdocs/wsc93883014/phpnuke/header.php on line 47

I just uploaded program and did nothing to it except chmod a few thngs and edit the config. HELP ME PLEASE

[genesis]

Double check to see if you have CHMOD'd everything right.