Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Database\Eloquent\Builder" not found in D:\xampp\htdocs\dropifypro\vendor\laravel\framework\src\Illuminate\Database\Eloquent\Relations\Relation.php:17 Stack trace: #0 {main} thrown in D:\xampp\htdocs\dropifypro\vendor\laravel\framework\src\Illuminate\Database\Eloquent\Relations\Relation.php on line 17