Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in C:\xampp\htdocs\systemcolas\vendor\laravel\framework\src\Illuminate\Queue\QueueServiceProvider.php:23 Stack trace: #0 {main} thrown in C:\xampp\htdocs\systemcolas\vendor\laravel\framework\src\Illuminate\Queue\QueueServiceProvider.php on line 23