[phpBB Debug] PHP Warning: in file [ROOT]/vendor/composer/ClassLoader.php on line 444: include([ROOT]/vendor/composer/../symfony/http-kernel/EventListener/ResponseListener.php): failed to open stream: No such file or directory
[phpBB Debug] PHP Warning: in file [ROOT]/vendor/composer/ClassLoader.php on line 444: include(): Failed opening '[ROOT]/vendor/composer/../symfony/http-kernel/EventListener/ResponseListener.php' for inclusion (include_path='.:/opt/alt/php56/usr/share/pear:/opt/alt/php56/usr/share/php')

Fatal error: Class 'Symfony\Component\HttpKernel\EventListener\ResponseListener' not found in /home/brontofo/public_html/vendor/symfony/event-dispatcher/ContainerAwareEventDispatcher.php on line 152