Fatal error: Uncaught Error: Class "Symfony\Component\Form\AbstractExtension" not found in D:\htdocs\SuiteCRM\vendor\symfony\form\Extension\HttpFoundation\HttpFoundationExtension.php:21 Stack trace: #0 {main} thrown in D:\htdocs\SuiteCRM\vendor\symfony\form\Extension\HttpFoundation\HttpFoundationExtension.php on line 21