Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /home/alterna/private_assets.alternalab.it/app/Http/Controllers/Auth/SamlController.php:17 Stack trace: #0 {main} thrown in /home/alterna/private_assets.alternalab.it/app/Http/Controllers/Auth/SamlController.php on line 17