Ошибка при загрузке сайта
 

Здравствуйте,после смены домена при заходе на сайт сверху вылезают вот такие строчки Код:Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /home/lect895/public_html/configuration.php:1) in /home/lect895/public_html/libraries/joomla/session/session.php on line 423Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/lect895/public_html/configuration.php:1) in /home/lect895/public_html/libraries/joomla/session/session.php on line 423Warning: Cannot modify header information - headers already sent by (output started at /home/lect895/public_html/configuration.php:1) in /home/lect895/public_html/libraries/joomla/session/session.php on line 426Как это исправить?