[phpBB Debug] PHP Warning: in file [ROOT]/vendor/composer/ClassLoader.php on line 269: include([ROOT]/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php): failed to open stream: No such file or directory
[phpBB Debug] PHP Warning: in file [ROOT]/vendor/composer/ClassLoader.php on line 269: include(): Failed opening '[ROOT]/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/ContainerBuilder.php' for inclusion (include_path='.:')

Fatal error: Class 'Symfony\Component\DependencyInjection\ContainerBuilder' not found in /var/www/u0206745/data/www/xn----ltbddrkca9a3h.xn--p1ai/forum/cache/container_dotslash.php on line 18