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 ' , )' at line 1 in C:\xampp\htdocs\intranet_api\database.php:75 Stack trace: #0 C:\xampp\htdocs\intranet_api\database.php(75): mysqli_query(Object(mysqli), 'INSERT INTO ven...') #1 C:\xampp\htdocs\intranet_api\clases\ventas.php(694): database->query() #2 C:\xampp\htdocs\intranet_api\ventas\ventas_articulo_grabar.php(12): ventas->nuevo_articulo_venta(NULL, NULL, NULL) #3 {main} thrown in C:\xampp\htdocs\intranet_api\database.php on line 75