Fatal error: Uncaught Symfony\Component\Debug\Exception\FatalThrowableError: Call to a member function getFlashBag() on null in /var/www/html/ntvpanel4.4/admin/src/SharedBundle/Utils/MailBase.php:408 Stack trace: #0 /var/www/html/ntvpanel4.4/admin/src/SharedBundle/Services/UtilsService.php(2131): SharedBundle\Utils\MailBase->enviar() #1 /var/www/html/ntvpanel4.4/admin/src/SharedBundle/EventListener/ExceptionListener.php(164): SharedBundle\Services\UtilsService->enviarMailException(808, Object(Symfony\Component\Debug\Exception\FatalThrowableError)) #2 /var/www/html/ntvpanel4.4/admin/vendor/symfony/symfony/src/Symfony/Component/EventDispatcher/EventDispatcher.php(214): SharedBundle\EventListener\ExceptionListener->onKernelException(Object(Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent), 'kernel.exceptio...', Object(Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher)) #3 /var/www/html/ntvpanel4.4/admin/vendor/symfony/symfony/src/Symfony/Component/EventDispatcher/EventDispatcher.php(44): Symfony\ in /var/www/html/ntvpanel4.4/admin/src/SharedBundle/Utils/MailBase.php on line 408