Your bug report

#40567: mpd-service-type needs a pre-existing user in system and does not works with a new user defined in config.scm

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 40567@debbugs.gnu.org.

-- 
40567: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=40567
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