[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/class_loader.php on line 160: require([ROOT]/ext/anavaro/birthdaycontrol/event/mainlistener.php): failed to open stream: Too many open files in system

Fatal error: require(): Failed opening required './ext/anavaro/birthdaycontrol/event/mainlistener.php' (include_path='.:/usr/local/lib/php') in /home/lunohodanet/html/forum/phpbb/class_loader.php on line 160