Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /var/www/html/en/functions.inc.php:8 Stack trace: #0 /var/www/html/en/functions.inc.php(8): mysqli_query() #1 /var/www/html/en/settings.inc.php(2): mysql_query() #2 /var/www/html/en/search.php(4): include('...') #3 {main} thrown in /var/www/html/en/functions.inc.php on line 8