I can't get a good backup - it fails after after_create_hook

Welcome to the club!

A question which is pending … is, or was, your host low on disk space at some point?

https://meta.discourse.org/t/automatic-daily-backups-do-not-work/36809/

https://meta.discourse.org/t/backup-issue-undefined-method-every-for-jobs-createbackup-class/36818/