I have a similar problem right now, but with notify-send program, which usually works, but now I'm getting:
libnotify-Message: Unable to get session bus: Failed to connect to socket /tmp/dbus-eJtVdf3GaZ: Connection refused
So the problem is not in the application, but probably in dbus.
I have a similar problem right now, but with notify-send program, which usually works, but now I'm getting: eJtVdf3GaZ: Connection refused
libnotify-Message: Unable to get session bus: Failed to connect to socket /tmp/dbus-
So the problem is not in the application, but probably in dbus.