Fatal error: Class 'Symfony\Component\DependencyInjection\ContainerAware' not found in /var/www/html/dev/spa/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Bundle/Bundle.php on line 29

Call Stack:
    0.0013     262912   1. {main}() /var/www/html/dev/spa/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/Bundle/Bundle.php:0