I get this on both my Solus Budgie machines:
❯ lightdm-gtk-greeter-settings
Traceback (most recent call last):
File "/usr/bin/lightdm-gtk-greeter-settings", line 33, in <module>
lightdm_gtk_greeter_settings.main()
File "/usr/lib/python3.12/site-packages/lightdm_gtk_greeter_settings/__init__.py", line 69, in main
window = GtkGreeterSettingsWindow.GtkGreeterSettingsWindow(mode=window_mode)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.12/site-packages/lightdm_gtk_greeter_settings/GtkGreeterSettingsWindow.py", line 81, in __new__
builder.add_from_file(helpers.get_data_path('%s.ui' % cls.__name__))
gi.repository.GLib.GError: g-file-error-quark: Failed to open file “/lightdm_gtk_greeter_settings-1.2.3.data/data/share/lightdm-gtk-greeter-settings/GtkGreeterSettingsWindow.ui”: No such file or directory (4)
The path seems wrong. I get:
❯ _ find / -iname "GtkGreeterSettingsWindow.ui"
...
/usr/share/lightdm-gtk-greeter-settings/GtkGreeterSettingsWindow.ui
I don't think it's something I borked up.