This file is empty, 0 bytes, so I can't attach it (gmail won't let me). I have de-installed guix in the meantime. Sorry that I can't help you further.

fre. 5. mar. 2021, 20:23 skrev Leo Famulari <leo@famulari.name>:

On Fri, Mar 05, 2021 at 05:17:43PM +0100, Christoph Unger wrote:
> ./guix/store.scm:1043:9: ERROR:
> 1. &store-protocol-error:
> message: "error parsing derivation
> `/gnu/store/0ywrcn2akd43rlqsvz3zry167zn3ws0f-guix-locale-guix-packages.drv':
> expected string `Derive(['"
> status: 1

Can you send that file:

'/gnu/store/0ywrcn2akd43rlqsvz3zry167zn3ws0f-guix-locale-guix-packages.drv'?