#6 Demo gives errors

[Anonymous]

Warning: session_start(): open(/home/groups/h/ho/hotopentickets/htdocs/tmp/sess_09ebdecf3042f527d3ec9ee2483a7367, O_RDWR) failed: Read-only file system (30) in /home/groups/h/ho/hotopentickets/htdocs/hot/session.php on line 3

Warning: session_start(): Cannot send session cookie - headers already sent by (output started at /home/groups/h/ho/hotopentickets/htdocs/hot/session.php:3) in /home/groups/h/ho/hotopentickets/htdocs/hot/session.php on line 3

Warning: session_start(): Cannot send session cache limiter - headers already sent (output started at /home/groups/h/ho/hotopentickets/htdocs/hot/session.php:3) in /home/groups/h/ho/hotopentickets/htdocs/hot/session.php on line 3

Warning: mysql_connect(): Can't connect to MySQL server on 'mysql.sourceforge.net' (111) in /home/groups/h/ho/hotopentickets/htdocs/hot/serverside.php on line 36

Warning: mysql_select_db(): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2) in /home/groups/h/ho/hotopentickets/htdocs/hot/serverside.php on line 37

Warning: mysql_select_db(): A link to the server could not be established in /home/groups/h/ho/hotopentickets/htdocs/hot/serverside.php on line 37
Unable to select database
Warning: Unknown(): open(/home/groups/h/ho/hotopentickets/htdocs/tmp/sess_09ebdecf3042f527d3ec9ee2483a7367, O_RDWR) failed: Read-only file system (30) 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 (/home/groups/h/ho/hotopentickets/htdocs/tmp) in Unknown on line 0