Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in /var/www/ticket-code/vendor/laravel-notification-channels/rocket-chat/src/RocketChatServiceProvider.php:11 Stack trace: #0 {main} thrown in /var/www/ticket-code/vendor/laravel-notification-channels/rocket-chat/src/RocketChatServiceProvider.php on line 11