[phpBB Debug] PHP Warning: in file [ROOT]/phpbb/di/container_builder.php on line 173: require([ROOT]/cache/production/container_4335734bbdd20f586549a504dff5f80c.php): failed to open stream: Too many open files in system

Fatal error: require(): Failed opening required './cache/production/container_4335734bbdd20f586549a504dff5f80c.php' (include_path='.:/usr/local/php7.4/lib/php') in /home/benoitde/www/forum/phpbb/di/container_builder.php on line 173