Fatal error: Uncaught Symfony\Component\DependencyInjection\Exception\RuntimeException: Unable to load YAML config files as the Symfony Yaml Component is not installed. in /homepages/1/d785303637/htdocs/vendor/symfony/dependency-injection/Loader/YamlFileLoader.php:667 Stack trace: #0 /homepages/1/d785303637/htdocs/vendor/symfony/dependency-injection/Loader/YamlFileLoader.php(122): Symfony\Component\DependencyInjection\Loader\YamlFileLoader->loadFile('/homepages/1/d7...') #1 /homepages/1/d785303637/htdocs/vendor/symfony/config/Loader/FileLoader.php(158): Symfony\Component\DependencyInjection\Loader\YamlFileLoader->load('/homepages/1/d7...', NULL) #2 /homepages/1/d785303637/htdocs/vendor/symfony/config/Loader/FileLoader.php(97): Symfony\Component\Config\Loader\FileLoader->doImport('/homepages/1/d7...', NULL, false, NULL) #3 /homepages/1/d785303637/htdocs/vendor/symfony/dependency-injection/Loader/FileLoader.php(64): Symfony\Component\Config\Loader\FileLoader->import('/homepages/1/d7...') #4 /homepages/1/d785303637/htdocs/ve in /homepages/1/d785303637/htdocs/vendor/symfony/config/Loader/FileLoader.php on line 173