BuddyPress.org

hi
we use wp3.0.5 , Multi-DB 3.0.2. when we active Buddypress 1.2.8 see a lot of errors in dashboard and other pages of admin :

Warning: mysql_affected_rows(): 911 is not a valid MySQL-Link resource in /home/admin/…/public_html/wp-content/db.php on line 300

Warning: mysql_insert_id(): 911 is not a valid MySQL-Link resource in /home/admin/…/public_html/wp-content/db.php on line 303

Warning: mysql_affected_rows(): 986 is not a valid MySQL-Link resource in /home/admin/…/public_html/wp-content/db.php on line 300

Warning: mysql_insert_id(): 986 is not a valid MySQL-Link resource in /home/admin/…/public_html/wp-content/db.php on line 303

Warning: mysql_affected_rows(): 1060 is not a valid MySQL-Link resource in /home/admin/…/public_html/wp-content/db.php on line 300

Warning: mysql_insert_id(): 1060 is not a valid MySQL-Link resource in /home/admin/…/public_html/wp-content/db.php on line 303

Warning: mysql_affected_rows(): 1134 is not a valid MySQL-Link resource in /home/admin/…/public_html/wp-content/db.php on line 300

Warning: mysql_insert_id(): 1134 is not a valid MySQL-Link resource in /home/admin/…/public_html/wp-content/db.php on line 303

Warning: mysql_affected_rows(): 1220 is not a valid MySQL-Link resource in /home/admin/…/public_html/wp-content/db.php on line 300

Warning: mysql_insert_id(): 1220 is not a valid MySQL-Link resource in /home/admin/…/public_html/wp-content/db.php on line 303

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line 298 – 300 db.php is :

if ( preg_match( “/^\s*(insert|delete|update|replace|alter) /i”, $query ) ) {
$this->rows_affected = mysql_affected_rows( $dbh );
// Take note of the insert_id
if ( preg_match( “/^\s*(insert|replace) /i”, $query ) ) {
$this->insert_id = mysql_insert_id($dbh);
}

please hepl me. thank you