Fatal error: Class 'Symfony\Component\Routing\Loader\AnnotationFileLoader' not found in /var/www/html/dev/spa/vendor/symfony/routing/Symfony/Component/Routing/Loader/AnnotationDirectoryLoader.php on line 24

Call Stack:
    0.0004     246480   1. {main}() /var/www/html/dev/spa/vendor/symfony/routing/Symfony/Component/Routing/Loader/AnnotationDirectoryLoader.php:0