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Date: Sun, 26 Mar 2023 19:39:54 +0200 (CEST)
From: Erik Wienhold <ewie@ewie.name>
To: Matt Gibbins <matt_gibbins@fastmail.com.au>
Cc: pgsql-admin@lists.postgresql.org
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Subject: Re: Debian PostgreSQL 15 pg_createcluster - could not open collator
 for locale
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> On 26/03/2023 13:41 CEST Matt Gibbins <matt_gibbins@fastmail.com.au> wrote:
>
> Thank you for your assistance.
> The offending library was libicudata.so.67.1.
> Reinstalling libicu67 has resolved the issue.
> Not sure why it wasn't upgraded as I have been doing several upgrades on the
> system.

You're welcome.  It's weird and I have never seen this before.  Maybe disk
failure or accidentally modified the files after installing?

I just found out about debsums to resolve this very issue.

https://manpages.debian.org/bullseye/debsums/debsums.1.en.html#apt_get

--
Erik