An exception has been thrown during the rendering of a template ("Controller "Cunningsoft\ChatBundle\Controller\ChatController::showAction()" requires that you provide a value for the "$channel" argument (because there is no default value or because there is a non optional argument after this one).") in acme.html.twig at line 1.
But in your controller you set $channel as 'default' everywere
Hi! I can't undertand this error msj
But in your controller you set $channel as 'default' everywere