Fatal error: Uncaught exception 'Symfony\Component\Routing\Exception\RouteNotFoundException' with message 'Unable to generate a URL for the named route "app" as such route does not exist.' in /home/agoravouaprender/public_html/vendor/symfony/routing/Symfony/Component/Routing/Generator/UrlGenerator.php:130 Stack trace: #0 /home/agoravouaprender/public_html/web/index.php(17): Symfony\Component\Routing\Generator\UrlGenerator->generate('app') #1 [internal function]: {closure}(Object(Symfony\Component\HttpKernel\Exception\NotFoundHttpException), 404) #2 /home/agoravouaprender/public_html/vendor/silex/silex/src/Silex/ExceptionListenerWrapper.php(52): call_user_func(Object(Closure), Object(Symfony\Component\HttpKernel\Exception\NotFoundHttpException), 404) #3 [internal function]: Silex\ExceptionListenerWrapper->__invoke(Object(Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent)) #4 /home/agoravouaprender/public_html/vendor/symfony/event-dispatcher/Symfony/Component/EventDispatcher/EventDispatcher.php(161): call_user in /home/agoravouaprender/public_html/vendor/symfony/routing/Symfony/Component/Routing/Generator/UrlGenerator.php on line 130