Fatal error: Uncaught Error: Class 'Illuminate\Broadcasting\Channel' not found in /var/www/html/cps/vendor2/laravel/framework/src/Illuminate/Broadcasting/PresenceChannel.php:5 Stack trace: #0 {main} thrown in /var/www/html/cps/vendor2/laravel/framework/src/Illuminate/Broadcasting/PresenceChannel.php on line 5