Fatal error: Uncaught ArgumentCountError: mysqli_query() expects at least 2 arguments, 1 given in /home/austriaski.com.ar/rental/admin/core/_db_connect.php:9 Stack trace: #0 /home/austriaski.com.ar/rental/admin/core/_db_connect.php(9): mysqli_query() #1 /home/austriaski.com.ar/rental/config.php(34): require_once('...') #2 /home/austriaski.com.ar/rental/index.html(4): require_once('...') #3 {main} thrown in /home/austriaski.com.ar/rental/admin/core/_db_connect.php on line 9