Fatal error: Uncaught Error: Class "Nelmio\CorsBundle\NelmioCorsBundle" not found in /var/www/html/src/Kernel.php:24 Stack trace: #0 /var/www/html/vendor/symfony/http-kernel/Kernel.php(356): App\Kernel->registerBundles() #1 /var/www/html/vendor/symfony/http-kernel/Kernel.php(763): Symfony\Component\HttpKernel\Kernel->initializeBundles() #2 /var/www/html/vendor/symfony/http-kernel/Kernel.php(172): Symfony\Component\HttpKernel\Kernel->preBoot() #3 /var/www/html/public/index.php(25): Symfony\Component\HttpKernel\Kernel->handle(Object(Symfony\Component\HttpFoundation\Request)) #4 {main} thrown in /var/www/html/src/Kernel.php on line 24