Warning: require_once(DB.php) [function.require-once]: failed to open stream: No such file or directory in /home/_php/classes/OptOut.php on line 7

Fatal error: require_once() [function.require]: Failed opening required 'DB.php' (include_path='/home/_php:/home/zend/library:.:/home/integrat/pear/lib') in /home/_php/classes/OptOut.php on line 7