Ошибки Cannot send session cache limiter + Cannot send session cookie - Joomla 1.5: Общие вопросы

Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /home/my_site/my_site/docs/configuration.php:1) in /home/my_site/my_site.ru/docs/libraries/joomla/session/session.php on line 423

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/my_site/my_site.ru/docs/configuration.php:1) in /home/my_site/my_site.ru/docs/libraries/joomla/session/session.php on line 423

Warning: Cannot modify header information - headers already sent by (output started at /home/my_site/my_site.ru/docs/configuration.php:1) in /home/my_site-24/my_site-24.ru/docs/libraries/joomla/session/session.php on line 426

Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /home/my_site/my_site.ru/docs/plugins/system/marcosinterceptor.php on line 98

	var $ftp_host = '127.0.0.1';  (так и должно быть?)
	var $ftp_port = '21';
	var $ftp_user = '';
	var $ftp_pass = '';
	var $ftp_root = '';
	var $dbtype = 'mysql';
	var $host = 'my_ste.mysql'; (так и должно быть или просто localhost?)
	var $user = 'my_site_mysql';
	var $db = 'my_site_db';
	var $dbprefix = 'jos_';
	var $mailer = 'mail';

Parse error: syntax error, unexpected '&', expecting T_VARIABLE or '$' in /home/my_site/my_site/docs/plugins/system/marcosinterceptor.php on line 98

unexpected '&'