Fatal error: Uncaught Error: Class 'Symfony\Component\HttpFoundation\Request' not found in /var/www/so-in.stadt-koeln.de/htdocs/web/core/includes/bootstrap.inc:142 Stack trace: #0 /var/www/so-in.stadt-koeln.de/htdocs/vendor/composer/autoload_real.php(75): require() #1 /var/www/so-in.stadt-koeln.de/htdocs/vendor/composer/autoload_real.php(65): composerRequireDrupal8() #2 /var/www/so-in.stadt-koeln.de/htdocs/vendor/autoload.php(7): ComposerAutoloaderInitDrupal8::getLoader() #3 /var/www/so-in.stadt-koeln.de/htdocs/web/autoload.php(17): require('/var/www/so-in....') #4 /var/www/so-in.stadt-koeln.de/htdocs/web/index.php(14): require_once('/var/www/so-in....') #5 {main} thrown in /var/www/so-in.stadt-koeln.de/htdocs/web/core/includes/bootstrap.inc on line 142