Fatal error: Uncaught InvalidArgumentException: Cannot redirect to an empty URL. in /home/efrito_travel/www/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/RedirectResponse.php:86 Stack trace: #0 /home/efrito_travel/www/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/RedirectResponse.php(39): Symfony\Component\HttpFoundation\RedirectResponse->setTargetUrl(NULL) #1 /home/efrito_travel/www/vendor/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/Controller/ControllerTrait.php(121): Symfony\Component\HttpFoundation\RedirectResponse->__construct(NULL, 302) #2 /home/efrito_travel/www/src/AppBundle/Controller/AppController.php(154): Symfony\Bundle\FrameworkBundle\Controller\Controller->redirect(NULL) #3 /home/efrito_travel/www/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php(151): AppBundle\Controller\AppController->setLocaleAction(Object(Symfony\Component\HttpFoundation\Request), 'en') #4 /home/efrito_travel/www/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.ph in /home/efrito_travel/www/vendor/twig/twig/src/Loader/FilesystemLoader.php on line 205