Fatal error: Uncaught Error: Interface "Traitor\Handlers\Handler" not found in D:\programs\xampp\htdocs\antares-backend\vendor\kkszymanowski\traitor\src\Handlers\AbstractTreeHandler.php:23 Stack trace: #0 {main} thrown in D:\programs\xampp\htdocs\antares-backend\vendor\kkszymanowski\traitor\src\Handlers\AbstractTreeHandler.php on line 23