[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 160: require([ROOT]/phpbb/avatar/driver/upload.php): failed to open stream: Too many open files in system

( ! ) Fatal error: require(): Failed opening required './phpbb/avatar/driver/upload.php' (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/koolanc/public_html/forums/phpbb/class_loader.php on line 160
Call Stack
#TimeMemoryFunctionLocation
10.1219760384{main}( ).../viewtopic.php:0
23.291912173384phpbb_get_user_avatar( ).../viewtopic.php:1358
33.293012239640phpbb_get_avatar( ).../functions.php:4821
43.293012240216Symfony\Component\DependencyInjection\ContainerBuilder->get( ).../functions.php:4867
53.293012240392Symfony\Component\DependencyInjection\Container->get( ).../ContainerBuilder.php:465
63.293012240744phpbb_cache_container->getAvatar_ManagerService( ).../Container.php:331
73.293112242152phpbb\avatar\manager->__construct( ).../container_0374ec857381230fa83049643ce3cdee.php:463
83.293112242200phpbb\avatar\manager->register_avatar_drivers( ).../manager.php:57
93.410012446976phpbb\di\service_collection_iterator->current( ).../manager.php:69
103.410012447024phpbb\di\service_collection->offsetGet( ).../service_collection_iterator.php:44
113.410012447024Symfony\Component\DependencyInjection\ContainerBuilder->get( ).../service_collection.php:66
123.410012447208Symfony\Component\DependencyInjection\Container->get( ).../ContainerBuilder.php:465
133.410012447640phpbb_cache_container->getAvatar_Driver_UploadService( ).../Container.php:331
143.410112447904spl_autoload_call ( ).../Container.php:426
153.410112448288phpbb\class_loader->load_class( ).../Container.php:426