Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /home/dario/Servidor/CodingIt/Accuramet/backend/app/Http/Controllers/DataFileController.php:18 Stack trace: #0 {main} thrown in /home/dario/Servidor/CodingIt/Accuramet/backend/app/Http/Controllers/DataFileController.php on line 18