Fatal error: Uncaught Error: Interface "Symfony\Component\CssSelector\Parser\ParserInterface" not found in /home/intentexperts/public_html/cs/install-dir/vendor/symfony/css-selector/Parser/Parser.php:28 Stack trace: #0 {main} thrown in /home/intentexperts/public_html/cs/install-dir/vendor/symfony/css-selector/Parser/Parser.php on line 28