Session: connection failed

A SITE PROBLEM HAS OCCURRED
WARNING: session_start() [<a href='function.session-start'>function.session-start</a>]: Cannot send session cache limiter - headers already sent (output started at /home/bsdrelease/framework/1.7.2/htdocs/ext/adodb/adodb.inc.php:390)
Problem ID: ypprj-cdf-v9xj
A SITE PROBLEM HAS OCCURRED
WARNING: mysql_pconnect() [<a href='function.mysql-pconnect'>function.mysql-pconnect</a>]: Lost connection to MySQL server at 'reading initial communication packet', system error: 111
Problem ID: ypxj7-cdf-v9xj