sub26nico@debian:~$ raysession

(python3:17795): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:186:14: not a number

(python3:17795): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:186:14: Expected a string.

(python3:17795): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:2749:24: not a number

(python3:17795): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:2749:24: Expected a string.

(python3:17795): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:2940:14: not a number

(python3:17795): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:2940:14: Expected a string.

(python3:17795): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:2946:17: Expected a string.

(python3:17795): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:4083:14: not a number

(python3:17795): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:4083:14: Expected a string.

(python3:17795): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:4088:17: Expected a string.

(python3:17795): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:4729:14: not a number

(python3:17795): Gtk-WARNING **: Theme parsing error: gtk-widgets.css:4729:14: Expected a string.

(python3:17795): Gtk-WARNING **: Theme parsing error: xfce.css:47:16: not a number

(python3:17795): Gtk-WARNING **: Theme parsing error: xfce.css:47:16: Expected a string.

(python3:17795): Gtk-WARNING **: Theme parsing error: lightdm-gtk-greeter.css:16:14: not a number

(python3:17795): Gtk-WARNING **: Theme parsing error: lightdm-gtk-greeter.css:16:14: Expected a string.

(python3:17795): Gtk-WARNING **: Theme parsing error: lightdm-gtk-greeter.css:26:14: not a number

(python3:17795): Gtk-WARNING **: Theme parsing error: lightdm-gtk-greeter.css:26:14: Expected a string.

(python3:17795): Gtk-WARNING **: Theme parsing error: lightdm-gtk-greeter.css:40:16: not a number

(python3:17795): Gtk-WARNING **: Theme parsing error: lightdm-gtk-greeter.css:40:16: Expected a string.

(python3:17795): Gtk-WARNING **: Theme parsing error: lightdm-gtk-greeter.css:96:14: Expected a string.

(python3:17795): Gtk-WARNING **: Theme parsing error: lightdm-gtk-greeter.css:100:16: not a number

(python3:17795): Gtk-WARNING **: Theme parsing error: lightdm-gtk-greeter.css:100:16: Expected a string.

(python3:17795): Gtk-WARNING **: Theme parsing error: lightdm-gtk-greeter.css:279:14: not a number

(python3:17795): Gtk-WARNING **: Theme parsing error: lightdm-gtk-greeter.css:279:14: Expected a string.
Traceback (most recent call last):
  File "/usr/share/raysession/src/ray-daemon", line 2679, in <module>
    known_as_non_active = settings.value('daemon/non_active_list', [], type=list)
TypeError: unable to convert a QVariant of type 9 to a QMetaType of type 1024