Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /var/www/ZProyectosTerminados/Laravel/Biblioteca/app/Http/Controllers/LoanController.php:13 Stack trace: #0 {main} thrown in /var/www/ZProyectosTerminados/Laravel/Biblioteca/app/Http/Controllers/LoanController.php on line 13