Fatal error: Uncaught Error: Class 'Sensio\Bundle\GeneratorBundle\SensioGeneratorBundle' not found in /var/www/app/AppKernel.php:28 Stack trace: #0 /var/www/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php(427): AppKernel->registerBundles() #1 /var/www/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php(128): Symfony\Component\HttpKernel\Kernel->initializeBundles() #2 /var/www/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php(180): Symfony\Component\HttpKernel\Kernel->boot() #3 /var/www/web/app.php(18): Symfony\Component\HttpKernel\Kernel->handle(Object(Symfony\Component\HttpFoundation\Request)) #4 {main} thrown in /var/www/app/AppKernel.php on line 28