Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Collection" not found in D:\programs\xampp\htdocs\blog\vendor\laravel\framework\src\Illuminate\Notifications\DatabaseNotificationCollection.php:13 Stack trace: #0 {main} thrown in D:\programs\xampp\htdocs\blog\vendor\laravel\framework\src\Illuminate\Notifications\DatabaseNotificationCollection.php on line 13