php nuke help please...

[amconteh]

i installed php nuke and i tried to view the site but all i got is

(Fatal error: Call to undefined function: themeheader() in /data/members/free/tripod/uk/a/m/c/amconteh/htdocs/html/header.php on line 47)

i dont know what to do next i have been trying for 2 days now still nothing.

[planetsim]

Not trying to sound rude or anything, but you shouldnt really be posting this sorta stuff here, this should be told by the people who created PHPNuke, they may have something in there FAQ's