PHP Fatal error: Call to undefined function site_cache()on line 6

[fastz28]

have an error i think its making my page not load i go to my site and its a blank screen here is a portion of the script

 

<?php

if ( !defined('XOOPS_HEADER_INCLUDED') ) {
  define('XOOPS_HEADER_INCLUDED', 1);

site_cache('read');
xoops_header(false);

$currenttheme = getTheme();
include_once(XOOPS_ROOT_PATH.'/themes/'.$currenttheme.'/theme.php');

[AbraCadaver]

I don't know much about XOOPS, but evidently you haven't installed it correctly.  It probably hasn't loaded a file that defines the site_cache() function.