Your bug report

#44916: No option to add whisker menu to xfce panel after installing package xfce4-whiskermenu-plugin.

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 44916@debbugs.gnu.org.

-- 
44916: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=44916
GNU Bug Tracking System
Contact help-debbugs@gnu.org with problems