# E012 — GitHub CLI authentication failed (https://jackin.tailrocks.com/reference/errors/E012/)



**E012**: GitHub CLI authentication failed

## What to try [#what-to-try]

Run `gh auth login` to authenticate the GitHub CLI, then re-run the jackin command.

## See also [#see-also]

* Run `jackin doctor` for a full pre-flight health check.
* Pass `--debug` to any `jackin` command to enable diagnostic tracing.