Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Collection" not found in I:\www\frameworks\Laravel\vendor\laravel\framework\src\Illuminate\Notifications\DatabaseNotificationCollection.php:7 Stack trace: #0 {main} thrown in I:\www\frameworks\Laravel\vendor\laravel\framework\src\Illuminate\Notifications\DatabaseNotificationCollection.php on line 7