Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Model" not found in /home/oyaagyug/public_html/vendor/kalnoy/nestedset/tests/models/Category.php:5 Stack trace: #0 {main} thrown in /home/oyaagyug/public_html/vendor/kalnoy/nestedset/tests/models/Category.php on line 5