Fatal error: Uncaught Error: Interface "Symfony\Component\Config\Resource\SelfCheckingResourceInterface" not found in /home/maborneapp/public_html/sii/vendor/symfony/config/Resource/ClassExistenceResource.php:24 Stack trace: #0 {main} thrown in /home/maborneapp/public_html/sii/vendor/symfony/config/Resource/ClassExistenceResource.php on line 24