Fatal error: Uncaught ArgumentCountError: mysqli_query() expects at least 2 arguments, 1 given in /var/www/rep.nca.kz/eoa/index.php:18 Stack trace: #0 /var/www/rep.nca.kz/eoa/index.php(18): mysqli_query() #1 {main} thrown in /var/www/rep.nca.kz/eoa/index.php on line 18