(gnome-tweaks:64274): Gtk-WARNING **: 17:00:01.907: Theme parsing error: colors.css:71:44: Invalid number for color value

(gnome-tweaks:64274): Gtk-WARNING **: 17:00:01.907: Theme parsing error: colors.css:72:44: Invalid number for color value

(gnome-tweaks:64274): Gtk-WARNING **: 17:00:01.907: Theme parsing error: colors.css:74:53: Invalid number for color value

(gnome-tweaks:64274): Gtk-WARNING **: 17:00:01.907: Theme parsing error: colors.css:75:53: Invalid number for color value

(gnome-tweaks:64274): Gtk-WARNING **: 17:00:01.907: Theme parsing error: colors.css:76:56: Invalid number for color value

(gnome-tweaks:64274): Gtk-WARNING **: 17:00:01.907: Theme parsing error: colors.css:77:65: Invalid number for color value
WARNING : Shell not installed or running

(gnome-tweaks:64274): dconf-WARNING **: 17:00:01.969: failed to commit changes to dconf: Could not connect: Connection refused

(gnome-tweaks:64274): dconf-WARNING **: 17:00:01.972: failed to commit changes to dconf: Could not connect: Connection refused
Traceback (most recent call last):
  File "/usr/lib/python3.8/site-packages/gtweak/app.py", line 30, in do_activate
    self.win = Window(self, model)
  File "/usr/lib/python3.8/site-packages/gtweak/tweakview.py", line 58, in __init__
    self._model.load_tweaks(self)
  File "/usr/lib/python3.8/site-packages/gtweak/tweakmodel.py", line 107, in load_tweaks
    mods = __import__("gtweak.tweaks", globals(), locals(), tweak_files, 0)
  File "/usr/lib/python3.8/site-packages/gtweak/tweaks/tweak_group_general.py", line 55, in <module>
    IgnoreLidSwitchTweak(),
  File "/usr/lib/python3.8/site-packages/gtweak/tweaks/tweak_group_general.py", line 28, in __init__
    GetterSetterSwitchTweak.__init__(self, _("Suspend when laptop lid is closed"), **options)
  File "/usr/lib/python3.8/site-packages/gtweak/widgets.py", line 469, in __init__
    sw.set_active(self.get_active())
  File "/usr/lib/python3.8/site-packages/gtweak/tweaks/tweak_group_general.py", line 31, in get_active
    return not self._sync_inhibitor()
  File "/usr/lib/python3.8/site-packages/gtweak/tweaks/tweak_group_general.py", line 42, in _sync_inhibitor
    bus = Gio.bus_get_sync(Gio.BusType.SESSION, None)
gi.repository.GLib.Error: g-io-error-quark: Could not connect: Connection refused (39)