Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Relations\HasOneOrMany" not found in E:\phpProject\TEST\italia_epr_file\vendor\laravel\framework\src\Illuminate\Database\Eloquent\Relations\HasOne.php:20 Stack trace: #0 {main} thrown in E:\phpProject\TEST\italia_epr_file\vendor\laravel\framework\src\Illuminate\Database\Eloquent\Relations\HasOne.php on line 20