Please move:https://ftp.gnu.org/gnu/gnuzilla/lang/12.0/ to https://ftp.gnu.org/gnu/gnuzilla/12.0/langpacks/ https://ftp.gnu.org/gnu/gnuzilla/lang/14.0/ to https://ftp.gnu.org/gnu/gnuzilla/14.0/langpacks/ https://ftp.gnu.org/gnu/gnuzilla/lang/17.0/ to https://ftp.gnu.org/gnu/gnuzilla/17.0/langpacks/ -- and delete the duplicated language packs in https://ftp.gnu.org/gnu/gnuzilla/lang/17.0/
Then delete https://ftp.gnu.org/gnu/gnuzilla/lang/ -- http://gnuzilla.gnu.org
