Fatal error: Uncaught Error: Class "Symfony\Component\CssSelector\Node\AbstractNode" not found in /home/telefonai/public_html/test.telefonai.eu/vendor/symfony/css-selector/Node/SelectorNode.php:24 Stack trace: #0 {main} thrown in /home/telefonai/public_html/test.telefonai.eu/vendor/symfony/css-selector/Node/SelectorNode.php on line 24