Fatal error: Uncaught Error: Interface "Symfony\Component\Config\Resource\SelfCheckingResourceInterface" not found in /home/rogertabor/public_html/concrete/vendor/symfony/config/Tests/Resource/ResourceStub.php:16 Stack trace: #0 {main} thrown in /home/rogertabor/public_html/concrete/vendor/symfony/config/Tests/Resource/ResourceStub.php on line 16