Fatal error: Uncaught Error: Interface "Symfony\Component\Config\Loader\LoaderInterface" not found in /home/helpdatafirst/public_html/helpapp/vendor/symfony/routing/Loader/AnnotationClassLoader.php:72 Stack trace: #0 {main} thrown in /home/helpdatafirst/public_html/helpapp/vendor/symfony/routing/Loader/AnnotationClassLoader.php on line 72