[phpBB Debug] PHP Warning: in file [ROOT]/vendor/composer/ClassLoader.php on line 571: include(): Failed opening '[ROOT]/vendor/composer/../symfony/config/ConfigCache.php' for inclusion (include_path='.:/opt/cpanel/ea-php80/root/usr/share/pear')

Fatal error: Uncaught Error: Class "Symfony\Component\Config\ConfigCache" not found in /home/arkdvd/public_html/phpbb/phpbb/di/container_builder.php:157 Stack trace: #0 /home/arkdvd/public_html/phpbb/common.php(125): phpbb\di\container_builder->get_container() #1 /home/arkdvd/public_html/phpbb/posting.php(20): include('/home/arkdvd/pu...') #2 {main} thrown in /home/arkdvd/public_html/phpbb/phpbb/di/container_builder.php on line 157