Fatal error: Uncaught Error: Class 'App\Http\Controllers\Controller' not found in C:\xampp\htdocs\portal\app\Http\Controllers\Tests\EnviarMensajeController.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\portal\app\Http\Controllers\Tests\EnviarMensajeController.php on line 13