[phpBB Debug] PHP Warning: in file /apache$root/htdocs/vamp/phpbb/class_loader.php on line 160: require(/apache$root/htdocs/vamp/phpbb/di/service_collection_iterator.php): Failed to open stream: not enough core

Fatal error: Uncaught Error: Failed opening required './phpbb/di/service_collection_iterator.php' (include_path='.:/php_root/000000') in /apache$root/htdocs/vamp/phpbb/class_loader.php:160 Stack trace: #0 /apache$root/htdocs/vamp/phpbb/di/service_collection.php(49): phpbb\class_loader->load_class('\\phpbb\\di\\servi...') #1 /apache$root/htdocs/vamp/phpbb/template/twig/twig.php(100): phpbb\di\service_collection->getIterator() #2 /apache$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)) #3 /apache$root/htdocs/vamp/vendor/symfony/dependency-injection/Container.php(306): phpbb_cache_container->getTemplateService() #4 /apache$root/htdocs/vamp/includes/compatibility_globals.php(91): Symfony\Component\DependencyInjection\Container->get('template') #5 /apache$root/htdocs/vamp/common.php(144): register_compatibility_globals() #6 /apache$root/htdocs/vamp/posting.php(20): include('/apache$root/ht...') #7 {main} thrown in /apache$root/htdocs/vamp/phpbb/class_loader.php on line 160