Fatal error: Uncaught Error: Interface "Symfony\Component\Config\Resource\SelfCheckingResourceInterface" not found in /home/authent1/public_html/listassorys/phpbb/vendor/symfony/config/Resource/ComposerResource.php:19 Stack trace: #0 {main} thrown in /home/authent1/public_html/listassorys/phpbb/vendor/symfony/config/Resource/ComposerResource.php on line 19