Warning: session_start(): open(/var/lib/php5/sess_9g9seup0k2evbk43d8v8nvela6, O_RDWR) failed: Read-only file system (30) in /var/www/vhosts/donkersloot-tapijt.nl/httpdocs/index.php on line 7

Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111)' in /var/www/vhosts/donkersloot-tapijt.nl/httpdocs/db.php:2
Stack trace:
#0 /var/www/vhosts/donkersloot-tapijt.nl/httpdocs/db.php(2): PDO->__construct('mysql:dbname=do...', 'oihu8hyysa98fta', 'p8awegfosfesef')
#1 /var/www/vhosts/donkersloot-tapijt.nl/httpdocs/mysqlpdo.php(137): include('/var/www/vhosts...')
#2 /var/www/vhosts/donkersloot-tapijt.nl/httpdocs/mysqlpdo.php(227): sb_checkconnection('select property...')
#3 /var/www/vhosts/donkersloot-tapijt.nl/httpdocs/mgd_template.php(1194): querykeyvalues('select property...')
#4 /var/www/vhosts/donkersloot-tapijt.nl/httpdocs/index.php(23): include_once('/var/www/vhosts...')
#5 {main}
  thrown in /var/www/vhosts/donkersloot-tapijt.nl/httpdocs/db.php on line 2

Warning: Unknown: open(/var/lib/php5/sess_9g9seup0k2evbk43d8v8nvela6, 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 (/var/lib/php5) in Unknown on line 0