Fatal error: Uncaught Error: Class 'Illuminate\Support\ServiceProvider' not found in /home/app/htdocs/message_gateway/vendor/laravel/framework/src/Illuminate/Broadcasting/BroadcastServiceProvider.php:9 Stack trace: #0 {main} thrown in /home/app/htdocs/message_gateway/vendor/laravel/framework/src/Illuminate/Broadcasting/BroadcastServiceProvider.php on line 9