Fatal error: Uncaught Error: Interface "Symfony\Component\CssSelector\Parser\ParserInterface" not found in /home/alkhalaffamily/public_html/teachme/vendor/symfony/css-selector/Parser/Shortcut/EmptyStringParser.php:32 Stack trace: #0 {main} thrown in /home/alkhalaffamily/public_html/teachme/vendor/symfony/css-selector/Parser/Shortcut/EmptyStringParser.php on line 32