Fatal error: Uncaught Error: Call to undefined function mysqli_connect() in /var/www/vhosts/bike-tacho.de/src/Database.php:32 Stack trace: #0 /var/www/vhosts/bike-tacho.de/public/index.php(18): BT\Database->connect() #1 {main} thrown in /var/www/vhosts/bike-tacho.de/src/Database.php on line 32