Got the same issue as well! It fails during unattended-upgrade for me.
- bug#45294: guix system reconfigure won't run since commit 6a0... yasu
- bug#45294: guix system reconfigure won't run since commi... Leo Famulari
- bug#45294: [clonex...@protonmail.com: bug#45294: guix sy... Leo Famulari
- bug#45294: guix system reconfigure won't run since commi... dftxbs3e
- bug#45294: guix system reconfigure won't run since commi... Yasuaki Kudo
