Notice: Use of undefined constant SQL_DSN - assumed 'SQL_DSN' in /var/www/planning/MODEL/CLASS/MISC/class.mysql.php on line 50

Notice: Use of undefined constant SQL_USERNAME - assumed 'SQL_USERNAME' in /var/www/planning/MODEL/CLASS/MISC/class.mysql.php on line 50

Notice: Use of undefined constant SQL_PASSWORD - assumed 'SQL_PASSWORD' in /var/www/planning/MODEL/CLASS/MISC/class.mysql.php on line 50

Fatal error: Uncaught exception 'PDOException' with message 'invalid data source name' in /var/www/planning/MODEL/CLASS/MISC/class.mysql.php:50 Stack trace: #0 /var/www/planning/MODEL/CLASS/MISC/class.mysql.php(50): PDO->__construct('SQL_DSN', 'SQL_USERNAME', 'SQL_PASSWORD') #1 /var/www/planning/index.php(40): Connection::getConnexion() #2 {main} thrown in /var/www/planning/MODEL/CLASS/MISC/class.mysql.php on line 50