Fatal error: Uncaught TypeError: mysqli_fetch_array(): Argument #1 ($result) must be of type mysqli_result, string given in /var/www/html/sie/vista/apps/Opiniones/Opiniones.php:13 Stack trace: #0 /var/www/html/sie/vista/apps/Opiniones/Opiniones.php(13): mysqli_fetch_array() #1 {main} thrown in /var/www/html/sie/vista/apps/Opiniones/Opiniones.php on line 13