Fatal error: Uncaught Error: Class "Symfony\Component\Filesystem\Filesystem" not found in /home/G/geobergenno/subdomener/forum/phpbb/filesystem/filesystem.php:50 Stack trace: #0 /home/G/geobergenno/subdomener/forum/includes/functions.php(3273): phpbb\filesystem\filesystem->__construct() #1 /home/G/geobergenno/subdomener/forum/includes/functions.php(3032): phpbb_filter_root_path() #2 /home/G/geobergenno/subdomener/forum/vendor/composer/ClassLoader.php(571): msg_handler() #3 /home/G/geobergenno/subdomener/forum/vendor/composer/ClassLoader.php(571): include('/home/G/geoberg...') #4 /home/G/geobergenno/subdomener/forum/vendor/composer/ClassLoader.php(428): Composer\Autoload\includeFile() #5 /home/G/geobergenno/subdomener/forum/phpbb/filesystem/filesystem.php(50): Composer\Autoload\ClassLoader->loadClass() #6 /home/G/geobergenno/subdomener/forum/phpbb/di/container_builder.php(215): phpbb\filesystem\filesystem->__construct() #7 /home/G/geobergenno/subdomener/forum/phpbb/di/container_builder.php(444): phpbb\di\container_builder->get_container() #8 /home/G/geobergenno/subdomener/forum/phpbb/di/container_builder.php(162): phpbb\di\container_builder->load_extensions() #9 /home/G/geobergenno/subdomener/forum/common.php(127): phpbb\di\container_builder->get_container() #10 /home/G/geobergenno/subdomener/forum/app.php(23): include('/home/G/geoberg...') #11 {main} thrown in /home/G/geobergenno/subdomener/forum/phpbb/filesystem/filesystem.php on line 50