[phpBB Debug] PHP Warning: in file [ROOT]/vendor/composer/ClassLoader.php on line 412: include([ROOT]/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Extension/ConfigurationExtensionInterface.php): failed to open stream: No such file or directory
[phpBB Debug] PHP Warning: in file [ROOT]/vendor/composer/ClassLoader.php on line 412: include(): Failed opening '[ROOT]/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Extension/ConfigurationExtensionInterface.php' for inclusion (include_path='.:/usr/local/php5_4/lib/php')

Fatal error: Interface 'Symfony\Component\DependencyInjection\Extension\ConfigurationExtensionInterface' not found in /home/content/46/8624446/html/site_dartden/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Extension/Extension.php on line 28