Cannot launch yast2 gtk suddenly

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1

After some updates I realise yast2 gtk can no longer launch

gnomesu yast2

(gnomesu:3604): Gtk-WARNING **: gtk_window_set_titlebar() called on a realized window
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.
No protocol specified
Unable to init server: Could not connect: Connection refused

(y2controlcenter-gnome:3628): Gtk-WARNING **: cannot open display: :0

2

So it looks like you guys simply remove something and left it broken.:frowning:

The GTK GUI has been retired, falling back to Qt.


(y2controlcenter-gnome:5175): Gtk-WARNING **: Allocating size to GtkApplicationWindow 0x9b62c0 without calling gtk_widget_get_preferred_width/height(). How does the code know the size to allocate?


(gnomesu:5195): Gtk-WARNING **: gtk_window_set_titlebar() called on a realized window
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.


(gnomesu:5206): Gtk-WARNING **: gtk_window_set_titlebar() called on a realized window
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.
The GTK GUI has been retired, falling back to Qt.
No protocol specified
terminate called after throwing an instance of 'YUIException'
  what():  Can't open display 
YaST got signal 6 at file /usr/share/YaST2/modules/Wizard.rb:782
  sender PID: 5255
/sbin/yast2: line 440:  5255 Aborted                 (core dumped) $ybindir/y2base $module "$@" "$SELECTED_GUI" $Y2_GEOMETRY $Y2UI_ARGS


(gnomesu:5305): Gtk-WARNING **: gtk_window_set_titlebar() called on a realized window
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.


(gnomesu:5315): Gtk-WARNING **: gtk_window_set_titlebar() called on a realized window
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.
The GTK GUI has been retired, falling back to Qt.
No protocol specified
terminate called after throwing an instance of 'YUIException'
  what():  Can't open display 
YaST got signal 6 at file /usr/share/YaST2/lib/fonts/fonts-dialog.rb:562
  sender PID: 5356
/sbin/yast2: line 440:  5356 Aborted                 (core dumped) $ybindir/y2base $module "$@" "$SELECTED_GUI" $Y2_GEOMETRY $Y2UI_ARGS