Warning: session_start() [function.session-start]: open(/var/lib/php5/sess_6057c8332b0a5a0b88aea19af4ffab62, O_RDWR) failed: No space left on device (28) in /var/www/html/master.php on line 12

Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /var/www/html/master.php:12) in /var/www/html/master.php on line 12

Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /var/www/html/master.php:12) in /var/www/html/master.php on line 12
Unable to connect to DB server
Warning: Unknown: open(/var/lib/php5/sess_6057c8332b0a5a0b88aea19af4ffab62, O_RDWR) 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/php5) in Unknown on line 0