Fatal error: Uncaught Error: Class 'Symfony\Component\CssSelector\XPath\Extension\AbstractExtension' not found in D:\workspaces\liZiPingBack\vendor\symfony\css-selector\XPath\Extension\PseudoClassExtension.php:27 Stack trace: #0 {main} thrown in D:\workspaces\liZiPingBack\vendor\symfony\css-selector\XPath\Extension\PseudoClassExtension.php on line 27