I have a problem with GTK whenever when I run the command tryton or gnuhealth-client, I receive error messages with a GTK problem:
$tryton
(tryton:1754): Gtk-ERROR **: 12:53:39.748: Can't create a GtkStyleContext without a display connection Trappe pour point d'arrêt et de trace what can i do please ?
$ gnuhealth-client
Traceback (most recent call last): File "/home/gnuhealth/.local/bin/gnuhealth-client", line 34, in from tryton.client import main File "/home/gnuhealth/.local/lib/python3.6/site-packages/tryton/client.py", line 12, in from tryton import gui File "/home/gnuhealth/.local/lib/python3.6/site-packages/tryton/gui/init.py", line 3, in from .main import * File "/home/gnuhealth/.local/lib/python3.6/site-packages/tryton/gui/main.py", line 33, in from tryton.gui.window.activity import Activity File "/home/gnuhealth/.local/lib/python3.6/site-packages/tryton/gui/window/activity.py", line 23, in class Activity(): File "/home/gnuhealth/.local/lib/python3.6/site-packages/tryton/gui/window/activity.py", line 25, in Activity activity_window = Gtk.Window() File "/home/gnuhealth/.local/lib/python3.6/site-packages/gi/overrides/Gtk.py", line 521, in init "Gtk couldn't be initialized. " RuntimeError: Gtk couldn't be initialized. Use Gtk.init_check() if you want to handle this case.
