Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Relations\Relation" not found in D:\Proyectos\Actualizacion_2\vendor\illuminate\database\Eloquent\Relations\HasOneOrMany.php:9 Stack trace: #0 {main} thrown in D:\Proyectos\Actualizacion_2\vendor\illuminate\database\Eloquent\Relations\HasOneOrMany.php on line 9