Session: connection failed

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/shinchan/public_html/golf/lib/adodb/adodb.inc.php:335) in /home/shinchan/public_html/golf/index.php on line 39

Fatal error: Call to a member function RecordCount() on a non-object in /home/shinchan/public_html/golf/lib/category.class.php on line 444