Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, bool given in /var/www/html/mirdcell_v2.1.php:11 Stack trace: #0 /var/www/html/mirdcell_v2.1.php(11): mysqli_query() #1 {main} thrown in /var/www/html/mirdcell_v2.1.php on line 11