# Unexplained error **URL:** \ **Category:** Beginners\ **Created:** [June 29, 2025, 7:03am UTC](https://discuss.huggingface.co/t/unexplained-error/161073 "2025-06-29T07:03:57Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![moneimazza](https://avatars.discourse-cdn.com/v4/letter/m/b77776/32.png) [@moneimazza](https://discuss.huggingface.co/u/moneimazza)\ **Post date:** [June 29, 2025, 7:03am UTC](https://discuss.huggingface.co/t/unexplained-error/161073/1 "2025-06-29T07:03:57Z")
I am getting error on Google Colab when I try to activate Llama despite granted access and token from HF ---
**Author:** ![John6666](https://sea2.discourse-cdn.com/hellohellohello/user_avatar/discuss.huggingface.co/john6666/32/27664_2.png) [@John6666](https://discuss.huggingface.co/u/John6666)\ **Post date:** [June 29, 2025, 8:12am UTC](https://discuss.huggingface.co/t/unexplained-error/161073/2 "2025-06-29T08:12:13Z")
The following are common causes of errors related to Google Colab and tokens. > [@Account Issue: Persistent 401 Unauthorized Error on All Downloads](https://discuss.huggingface.co/t/account-issue-persistent-401-unauthorized-error-on-all-downloads/160396): > > Hello, I am a new user and I’m unable to download any models or datasets. Every attempt results in a 401 Client Error: Unauthorized with the message Invalid credentials in Authorization header. I have already performed extensive troubleshooting and believe this is an issue with my account’s authorization status on your backend. I have confirmed: I am using freshly generated ‘read’ access tokens that are verified to be correct. My local network, firewall, antivirus, and proxy settings are not… > [@Huggingface-cli login issue](https://discuss.huggingface.co/t/huggingface-cli-login-issue/136547): > > Firstly I apologize if it’s really basic or trivial, but I don’t seem to understand how to login I’m trying to login with the huggingface-cli login and it keeps giving me the following huggingface-cli login --token \ The token has not been saved to the git credentials helper. Pass `add_to_git_credential=True` in this function directly or `--add-to-git-credential` if using via `huggingface-cli` if you want to set the git credential as well. Traceback (most recent call last): File "/…