I installed nodes manually, (in manager it is not appearing) but when I want to open the example workflow provided in files it gives this error: <img width="1233" height="1297" alt="Image" src="https://github.com/user-attachments/assets/7ff5db75-0d7d-4e7d-842c-af524a69e85f" />
I installed nodes manually, (in manager it is not appearing) but when I want to open the example workflow provided in files it gives this error: