Fatal error: Uncaught Error: Class 'App\Http\Controllers\Controller' not found in C:\xampp73\htdocs\MonitoresCIE_C\app\Http\Controllers\c_revalidacion.php:10 Stack trace: #0 {main} thrown in C:\xampp73\htdocs\MonitoresCIE_C\app\Http\Controllers\c_revalidacion.php on line 10