Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Notifications\Factory' not found in /home/caistbuw/public_html/vendor/laravel/framework/src/Illuminate/Support/Testing/Fakes/NotificationFake.php:13 Stack trace: #0 {main} thrown in /home/caistbuw/public_html/vendor/laravel/framework/src/Illuminate/Support/Testing/Fakes/NotificationFake.php on line 13