Your bug report #63845: unbound evaluate-populate-directive variable error with guix shell -C --symlink 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 63845@debbugs.gnu.org. -- 63845: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=63845 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems