Ayuden a encontrar el error
erro ------> Fatal error: Uncaught Error: Call to a member function fetch_array() on boolean in /storage/ss/6/8/public_html/jaja.php:14 Stack trace: #0 {main} thrown in
<?php
$mysqli = new mysqli("localhost", "id7******", "***********", "*********************j");
/* check connection */
if ($mysqli->connect_errno) {
printf("Connect failed: %s\n", $mysqli->connect_error);
exit();
}
$query = "SELECT nombres_completos, nivel FROM alumnos WHERE nombres_completos = 'FIESTAS VITE JUAN JOSE'";
$result = $mysqli->query($query);
/* numeric array */
$row = $result->fetch_array(MYSQLI_NUM);
printf ("%s (%s)\n", $row[0], $row[1]);
/* free result set */
$result->free();
/* close connection */
$mysqli->close();
?>