Fatal error: Uncaught Error: Class 'Illuminate\Database\Eloquent\Relations\Relation' not found in D:\xampp\htdocs\erp_api\vendor\laravel\framework\src\Illuminate\Database\Eloquent\Relations\HasOneOrMany.php:7 Stack trace: #0 {main} thrown in D:\xampp\htdocs\erp_api\vendor\laravel\framework\src\Illuminate\Database\Eloquent\Relations\HasOneOrMany.php on line 7