Fatal error: Uncaught Error: Class 'Symfony\Bundle\FrameworkBundle\Command\AbstractConfigCommand' not found in C:\Landaweb\webs\landaweb\backend\vendor\symfony\framework-bundle\Command\ConfigDebugCommand.php:33 Stack trace: #0 {main} thrown in C:\Landaweb\webs\landaweb\backend\vendor\symfony\framework-bundle\Command\ConfigDebugCommand.php on line 33