Fatal error: Uncaught Error: Interface "Symfony\Component\CssSelector\Exception\ExceptionInterface" not found in /home/slsiluser/public_html/service-portal-mobile-responsive/vendor/symfony/css-selector/Exception/ParseException.php:22 Stack trace: #0 {main} thrown in /home/slsiluser/public_html/service-portal-mobile-responsive/vendor/symfony/css-selector/Exception/ParseException.php on line 22