Fatal error: Uncaught Error: StudipFileloader::load(): Argument #2 ($_container) cannot be passed by reference in /var/www/studip/4.5/lib/bootstrap.php:65 Stack trace: #0 /var/www/studip/4.5/public/index.php(20): require() #1 {main} thrown in /var/www/studip/4.5/lib/bootstrap.php on line 65