Fatal error: Uncaught ArgumentCountError: mysqli_query() expects at least 2 arguments, 1 given in /var/www/vhosts/argus-online.nl/httpdocs/common/classes/class.page.php:52 Stack trace: #0 /var/www/vhosts/argus-online.nl/httpdocs/common/classes/class.page.php(52): mysqli_query() #1 /var/www/vhosts/argus-online.nl/httpdocs/index.php(35): Page->__construct() #2 {main} thrown in /var/www/vhosts/argus-online.nl/httpdocs/common/classes/class.page.php on line 52