HuggingFace offline error

OSError: We couldn't connect to 'https://huggingface.co' to load this file, couldn't find it in the cached files and it looks like custom-model
 is not the path to a directory containing a file named config.json.
Checkout your internet connection or see how to run the library in offline mode at 'https://huggingface.co/docs/transformers/installation#offline-mode'.

I have ensure to set:

HUGGINGFACE_HUB_CACHE to the dir /models

inside /models:
contains custom-model which is a folder containing:

blobs config.json refs snapshots