When posting code, use the [php.../php] tags they make the code easier to read as it highlights everything. Lets start with that:
<?php
/**
* @author Marten Koedam <marten@dalines.net>
* @package VoodooCore
* @subpackage VoodooController
* @since 30-dec-2006
* @license www.dalines.org/license
* @copyright 2006, Dalines Software Library
*/
define('PATH_TO_DOCROOT','/engine/');
define('CONF','../conf/');
define('VOODOO_CONF',CONF);
define('ENGINE_CONF',CONF);
define('CLASSES','../classes/');
define('IMAGES','images/');
define('TEMPLATES','../templates/');
define('THEMES','../themes/');
define('STYLE','style/');
define('SCRIPTS','scripts/');
define('COMMAND_UNAVAILABLE', 'This command is not available here.');
define('DATE_FORMAT','H:i:s CE\T d-m-Y');
define('ADMIN_ACCESSLEVEL',50);
define('SPELLBOOK','../spellbook/');
?>
As far as your error, I don't see any problems with this code syntactically in fact I can run this file on my server without any error warnings.