Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in C:\laragon\www\sispro.prosarc.com.co\app\Http\Controllers\PretratamientoController.php:12 Stack trace: #0 {main} thrown in C:\laragon\www\sispro.prosarc.com.co\app\Http\Controllers\PretratamientoController.php on line 12