Fatal error: Uncaught Error: Class "Symfony\Component\CssSelector\Node\AbstractNode" not found in C:\Apache24_x64\htdocs\ipad\vendor\symfony\css-selector\Node\SelectorNode.php:24 Stack trace: #0 {main} thrown in C:\Apache24_x64\htdocs\ipad\vendor\symfony\css-selector\Node\SelectorNode.php on line 24