Fatal error: Uncaught Error: Interface "Composer\DependencyResolver\Operation\OperationInterface" not found in /home2/zpcu9479/app.gennia.fr/vendor/symfony/flex/src/InformationOperation.php:11 Stack trace: #0 {main} thrown in /home2/zpcu9479/app.gennia.fr/vendor/symfony/flex/src/InformationOperation.php on line 11