Fatal error: Uncaught Error: Call to undefined function mysqli_connect() in /var/www/html/engine/classes/mysql.php:46
Stack trace:
#0 /var/www/html/engine/classes/mysql.php(75): db->connect('root', 'D2H7-H*u-7_x*m*...', 'iisussen_dle', Array)
#1 /var/www/html/engine/modules/calendar.php(181): db->query('SELECT DISTINCT...')
#2 /var/www/html/engine/init.php(998): include_once('/var/www/html/e...')
#3 /var/www/html/index.php(31): require_once('/var/www/html/e...')
#4 {main}
  thrown in /var/www/html/engine/classes/mysql.php on line 46