Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Relations\Pivot" not found in D:\Proyectos\Facturas\vendor\illuminate\database\Eloquent\Relations\MorphPivot.php:8 Stack trace: #0 {main} thrown in D:\Proyectos\Facturas\vendor\illuminate\database\Eloquent\Relations\MorphPivot.php on line 8