Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Support\Arrayable" not found in D:\programs\xampp\htdocs\backend-test\vendor\laravel\framework\src\Illuminate\Collections\Enumerable.php:21 Stack trace: #0 {main} thrown in D:\programs\xampp\htdocs\backend-test\vendor\laravel\framework\src\Illuminate\Collections\Enumerable.php on line 21