Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /home/kpbaclnp/lektrik.kpb.academy/app/Http/Controllers/ConfigurationController.php:9 Stack trace: #0 {main} thrown in /home/kpbaclnp/lektrik.kpb.academy/app/Http/Controllers/ConfigurationController.php on line 9