Fatal error: Uncaught /var/www/html/agerola03/AV2/DB/mysql.php: [Linea 37]: Errore MySQL n.1064 : You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'NULL,'')' at line 1 thrown in /var/www/html/agerola03/AV2/DB/mysql.php on line 37