Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /home/demoexibytes/public_html/ExibyteLibrary/app/Http/Controllers/BookController.php:12 Stack trace: #0 {main} thrown in /home/demoexibytes/public_html/ExibyteLibrary/app/Http/Controllers/BookController.php on line 12