Fatal error: Uncaught Error: Class 'Symfony\Component\CssSelector\XPath\Extension\AbstractExtension' not found in C:\xampp73\htdocs\Respaldos\tracking_cie_v1\vendor\symfony\css-selector\XPath\Extension\FunctionExtension.php:31 Stack trace: #0 {main} thrown in C:\xampp73\htdocs\Respaldos\tracking_cie_v1\vendor\symfony\css-selector\XPath\Extension\FunctionExtension.php on line 31