Fatal error: Uncaught Error: Class "Symfony\Component\CssSelector\XPath\Extension\AbstractExtension" not found in /home/alkhalaffamily/public_html/teachme/vendor/symfony/css-selector/XPath/Extension/HtmlExtension.php:29
Stack trace:
#0 {main}
thrown in /home/alkhalaffamily/public_html/teachme/vendor/symfony/css-selector/XPath/Extension/HtmlExtension.php on line 29