--- description: Explore error handling for Ultralytics YOLO. Learn about custom exceptions like HUBModelError to manage model fetching issues effectively. keywords: Ultralytics, YOLO, error handling, HUBModelError, model fetching, custom exceptions, Python --- # Reference for `ultralytics/utils/errors.py` !!! success "Improvements" This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/errors.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/errors.py). Have an improvement or example to add? Open a [Pull Request](https://docs.ultralytics.com/help/contributing/) — thank you! 🙏
## ::: ultralytics.utils.errors.HUBModelError