Fatal error: Uncaught TypeError: mysqli_close(): Argument #1 ($mysql) must be of type mysqli, null given in /home/users/kingnetz/www/test_muh/index.php:117
Stack trace:
#0 /home/users/kingnetz/www/test_muh/index.php(117): mysqli_close()
#1 {main}
thrown in /home/users/kingnetz/www/test_muh/index.php on line 117