[phpBB Debug] PHP Warning: in file [ROOT]/vendor/composer/ClassLoader.php on line 571: include([ROOT]/vendor/composer/../symfony/http-kernel/DependencyInjection/Extension.php) [function.include]: Failed to open stream: No such file or directory
[phpBB Debug] PHP Warning: in file [ROOT]/vendor/composer/ClassLoader.php on line 571: include() [function.include]: Failed opening '[ROOT]/vendor/composer/../symfony/http-kernel/DependencyInjection/Extension.php' for inclusion (include_path='.')

Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\Extension" not found in /users/reyno41/www/phpbb/phpbb/di/extension/core.php:25 Stack trace: #0 /users/reyno41/www/phpbb/phpbb/class_loader.php(160): require() #1 /users/reyno41/www/phpbb/phpbb/di/container_builder.php(182): phpbb\class_loader->load_class('\\phpbb\\di\\exten...') #2 /users/reyno41/www/phpbb/phpbb/di/container_builder.php(444): phpbb\di\container_builder->get_container() #3 /users/reyno41/www/phpbb/phpbb/di/container_builder.php(162): phpbb\di\container_builder->load_extensions() #4 /users/reyno41/www/phpbb/common.php(117): phpbb\di\container_builder->get_container() #5 /users/reyno41/www/phpbb/index.php(23): include('/users/reyno41/...') #6 {main} thrown in /users/reyno41/www/phpbb/phpbb/di/extension/core.php on line 25