I suggest doing tlmgr conf which would show you whether your configuration allows article.cls to be found by kpsewhich. The configuration files should have the form /usr/local/texlive/2021/... -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://tug.org/pipermail/tex-live/attachments/20220102/4d6c3f88/attachment.html>