Your bug report

#63378: A single X-Debbugs-CC header must be used

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 63378@debbugs.gnu.org.

-- 
63378: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=63378
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