Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /www/publicaciones/index.php:1) in /www/publicaciones/index.php on line 2

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /www/publicaciones/index.php:1) in /www/publicaciones/index.php on line 2
Error conectando con la base de datos: could not find driver
Fatal error: Call to a member function prepare() on a non-object in /www/publicaciones/config.inc.php on line 14