Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Support\Arrayable' not found in E:\xampp\htdocs\www\key\vendor\laravel\framework\src\Illuminate\Database\Eloquent\Model.php:18 Stack trace: #0 {main} thrown in E:\xampp\htdocs\www\key\vendor\laravel\framework\src\Illuminate\Database\Eloquent\Model.php on line 18