Fatal error: Uncaught Error: Class 'Composer\Script\Event' not found in /home/devilinf/maitres-couvreurs.fr/web_pool/marne-vitry-le-francois/vendor/symfony/flex/src/Event/UpdateEvent.php:17 Stack trace: #0 {main} thrown in /home/devilinf/maitres-couvreurs.fr/web_pool/marne-vitry-le-francois/vendor/symfony/flex/src/Event/UpdateEvent.php on line 17