Failed to set default locale after stable update

[Yochanan]

See above:

[Stable Update] 2020-09-08 - Kernels, Mesa, Browsers, KDE Apps 20.08.1, Systemd, LibreOffice 7.0.1, Deepin

Almost everything ok on my Xfce + 5.8 kernel. Just got this warning : (14/24) Warn about old perl modules perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL = (unset), LC_ADDRESS = "fr_FR.UTF-8", LC_NAME = "fr_FR.UTF-8", LC_MONETARY = "fr_FR.UTF-8", LC_PAPER = "fr_FR.UTF-8", LC_IDENTIFICATION = "fr_FR.UTF-8", LC_TELEPHONE = "fr_FR.UTF-8", LC_MEASUREMENT = "fr_FR.UTF-8", LC_TIME = "fr_FR.UTF-8", LC_NUMERIC = "fr_FR.…