Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Model" not found in /srv/www/sites/public/starter-projects/vendor/kalnoy/nestedset/tests/models/Category.php:5 Stack trace: #0 {main} thrown in /srv/www/sites/public/starter-projects/vendor/kalnoy/nestedset/tests/models/Category.php on line 5