Fatal error: Uncaught mysqli_sql_exception: 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 'SUM(Incasso) AS tot_incasso From FILM JOIN PROIEZIONE ON Film.id = PROIEZIONE...' at line 1 in /var/www/clients/client40/web42/web/esercitazione_6/AttoriFilm2/AttoriFilm2.php:18 Stack trace: #0 /var/www/clients/client40/web42/web/esercitazione_6/AttoriFilm2/AttoriFilm2.php(18): mysqli_query() #1 {main} thrown in /var/www/clients/client40/web42/web/esercitazione_6/AttoriFilm2/AttoriFilm2.php on line 18