Database connection problem : Too many connections

Warning: mysql_connect(): Too many connections in /var/www/html/sushee/adodb_mini/drivers/adodb-mysql.inc.php on line 372 Warning: mysql_connect(): Too many connections in /var/www/html/sushee/adodb_mini/drivers/adodb-mysql.inc.php on line 372 Database connection problem : Too many connections

Warning: Unknown: write failed: No space left on device (28) in Unknown on line 0 Warning: Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/var/lib/php/session) in Unknown on line 0