Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /home/petclap/public_html/dev.paperless/app/Http/Controllers/Admin/AdminController_old.php:20 Stack trace: #0 {main} thrown in /home/petclap/public_html/dev.paperless/app/Http/Controllers/Admin/AdminController_old.php on line 20