To cite package ‘err’ in publications use:

Thorley J, Dunham J (2026). err: Customizable Object Sensitive Messages. R package version 0.2.0.9001, https://github.com/poissonconsulting/err.

Corresponding BibTeX entry:

  @Manual{,
    title = {err: Customizable Object Sensitive Messages},
    author = {Joe Thorley and James Dunham},
    year = {2026},
    note = {R package version 0.2.0.9001},
    url = {https://github.com/poissonconsulting/err},
  }