Fatal error: Class 'Symfony\Component\CssSelector\Node\AbstractNode' not found in /var/www/html/dev/spa/vendor/symfony/css-selector/Symfony/Component/CssSelector/Node/AttributeNode.php on line 23

Call Stack:
    0.0004     246592   1. {main}() /var/www/html/dev/spa/vendor/symfony/css-selector/Symfony/Component/CssSelector/Node/AttributeNode.php:0