Error: Couldn’t drop privileges: User is missing UID (see mail_uid setting)

I have an email system that is setup loosely around the ISPMail guides here – https://workaround.org/ispmail/buster/ I am trying to setup a script for automatic password scheme migration, but I’m running into issues. I’ve been following guides similiar to this: https://wiki.dovecot.org/HowTo/ConvertPasswordSchemes Whenever I enable userdb prefetch, the Couldn’t drop privileges: User is missing UID (see…

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