Fatal error: Uncaught Error: Class 'Illuminate\Database\Eloquent\Relations\Relation' not found in C:\xampp\htdocs\finance\vendor\kalnoy\nestedset\src\BaseRelation.php:12 Stack trace: #0 {main} thrown in C:\xampp\htdocs\finance\vendor\kalnoy\nestedset\src\BaseRelation.php on line 12