Fatal error:  Uncaught Error: Interface "Symfony\Component\Config\Loader\LoaderResolverInterface" not found in /apache$root/htdocs/vamp/phpbb/routing/loader_resolver.php:21
Stack trace:
#0 /apache$root/htdocs/vamp/phpbb/class_loader.php(160): require()
#1 /apache$root/htdocs/vamp/cache/production/container_4335734bbdd20f586549a504dff5f80c.php(4133): phpbb\class_loader->load_class('\\phpbb\\routing\\...')
#2 /apache$root/htdocs/vamp/cache/production/container_4335734bbdd20f586549a504dff5f80c.php(4089): phpbb_cache_container->getRouting_ResolverService()
#3 /apache$root/htdocs/vamp/cache/production/container_4335734bbdd20f586549a504dff5f80c.php(4059): phpbb_cache_container->getRouting_DelegatedLoaderService()
#4 /apache$root/htdocs/vamp/cache/production/container_4335734bbdd20f586549a504dff5f80c.php(4099): phpbb_cache_container->getRouterService()
#5 /apache$root/htdocs/vamp/cache/production/container_4335734bbdd20f586549a504dff5f80c.php(4269): phpbb_cache_container->getRouting_HelperService()
#6 /apache$root/htdocs/vamp/vendor/symfony/dependency-injection/Container.php(306): phpbb_cache_container->getTemplate_Twig_Extensions_RoutingService()
#7 /apache$root/htdocs/vamp/phpbb/di/service_collection.php(57): Symfony\Component\DependencyInjection\Container->get('template.twig.e...')
#8 /apache$root/htdocs/vamp/phpbb/di/service_collection_iterator.php(44): phpbb\di\service_collection->offsetGet('template.twig.e...')
#9 /apache$root/htdocs/vamp/phpbb/template/twig/twig.php(100): phpbb\di\service_collection_iterator->current()
#10 /apache$root/htdocs/vamp/cache/production/container_4335734bbdd20f586549a504dff5f80c.php(4187): phpbb\template\twig\twig->__construct(Object(phpbb\path_helper), Object(phpbb\config\db), Object(phpbb\template\context), Object(phpbb\template\twig\environment), './cache/product...', Object(phpbb\user), Object(phpbb\di\service_collection), Object(phpbb\extension\manager))
#11 /apache$root/htdocs/vamp/vendor/symfony/dependency-injection/Container.php(306): phpbb_cache_container->getTemplateService()
#12 /apache$root/htdocs/vamp/includes/compatibility_globals.php(91): Symfony\Component\DependencyInjection\Container->get('template')
#13 /apache$root/htdocs/vamp/common.php(144): register_compatibility_globals()
#14 /apache$root/htdocs/vamp/posting.php(20): include('/apache$root/ht...')
#15 {main}
  thrown in /apache$root/htdocs/vamp/phpbb/routing/loader_resolver.php on line 21