[phpBB Debug] PHP Warning: in file [ROOT]/vendor/composer/ClassLoader.php on line 444: include([ROOT]/vendor/symfony/http-kernel/Event/FilterResponseEvent.php): failed to open stream: Too many open files in system
[phpBB Debug] PHP Warning: in file [ROOT]/vendor/composer/ClassLoader.php on line 444: include(): Failed opening '[ROOT]/vendor/composer/../symfony/http-kernel/Event/FilterResponseEvent.php' for inclusion (include_path='.:/usr/local/lib/php')

Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\Event\FilterResponseEvent' not found in /var/www/html/permutas/vendor/symfony/http-kernel/HttpKernel.php:189 Stack trace: #0 /var/www/html/permutas/vendor/symfony/http-kernel/HttpKernel.php(173): Symfony\Component\HttpKernel\HttpKernel->filterResponse(Object(Symfony\Component\HttpFoundation\Response), Object(phpbb\symfony_request), 1) #1 /var/www/html/permutas/vendor/symfony/http-kernel/HttpKernel.php(68): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(phpbb\symfony_request), 1) #2 /var/www/html/permutas/app.php(35): Symfony\Component\HttpKernel\HttpKernel->handle(Object(phpbb\symfony_request)) #3 {main} thrown in /var/www/html/permutas/vendor/symfony/http-kernel/HttpKernel.php on line 189