Menulibre does not work

[poltiser]

Xfce (SL5.3-32@Acer-Apireone|Pro) SparkyKernel latest - most of it works well - thank you!

menulibre do not work
when in terminal:

Code Select Expand

~/Desktop$ menulibre

(menulibre:10730): Gtk-WARNING **: Locale not supported by C library.
Using the fallback 'C' locale.

(menulibre:10730): Gtk-WARNING **: gtk_menu_attach_to_widget(): menu already attached to GtkMenuButton

(menulibre:10730): Gtk-WARNING **: gtk_menu_attach_to_widget(): menu already attached to GtkMenuButton
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/menulibre/MenulibreApplication.py", line 2204, in do_activate
    self.win = MenulibreWindow(self, headerbar)
  File "/usr/lib/python3/dist-packages/menulibre/MenulibreApplication.py", line 236, in __init__
    self.configure_application_actions(builder)
  File "/usr/lib/python3/dist-packages/menulibre/MenulibreApplication.py", line 390, in configure_application_actions
    label=_('Add _Launcher\u2026'),
UnicodeDecodeError: 'locale' codec can't decode byte 0xe2 in position 13: Invalid or incomplete multibyte or wide character



is anything I can do to make it work?

Thank you for your time.