Fatal error: Uncaught Error: Class "Symfony\Component\HttpFoundation\HeaderBag" not found in /customers/5/6/0/vtr1000.org/httpd.www/phpBB3/vendor/symfony/http-foundation/Request.php:279
Stack trace:
#0 /customers/5/6/0/vtr1000.org/httpd.www/phpBB3/vendor/symfony/http-foundation/Request.php(255): Symfony\Component\HttpFoundation\Request->initialize(Array, Array, Array, Array, Array, Array, NULL)
#1 /customers/5/6/0/vtr1000.org/httpd.www/phpBB3/phpbb/symfony_request.php(37): Symfony\Component\HttpFoundation\Request->__construct(Array, Array, Array, Array, Array, Array)
#2 /customers/5/6/0/vtr1000.org/httpd.www/phpBB3/cache/production/container_4335734bbdd20f586549a504dff5f80c.php(3907): phpbb\symfony_request->__construct(Object(phpbb\request\request))
#3 /customers/5/6/0/vtr1000.org/httpd.www/phpBB3/vendor/symfony/dependency-injection/Container.php(306): phpbb_cache_container->getSymfonyRequestService()
#4 /customers/5/6/0/vtr1000.org/httpd.www/phpBB3/includes/compatibility_globals.php(78): Symfony\Component\DependencyInjection\Container->get('symfony_request')
#5 /customers/5/6/0/vtr1000.org/httpd.www/phpBB3/common.php(146): register_compatibility_globals()
#6 /customers/5/6/0/vtr1000.org/httpd.www/phpBB3/posting.php(20): include('/customers/5/6/...')
#7 {main}
  thrown in /customers/5/6/0/vtr1000.org/httpd.www/phpBB3/vendor/symfony/http-foundation/Request.php on line 279