Ubiquity 2.7.15

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:13:16: Themeing engine 'adwaita' not found

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:589:39: Expected ')'

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:602:39: Expected ')'

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:616:39: Expected ')'

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:747:24: Whitespace between 'url' and '(' is not allowed

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:753:24: Whitespace between 'url' and '(' is not allowed

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:759:24: Whitespace between 'url' and '(' is not allowed

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:765:24: Whitespace between 'url' and '(' is not allowed

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:771:24: Whitespace between 'url' and '(' is not allowed

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:777:24: Whitespace between 'url' and '(' is not allowed

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:783:24: Whitespace between 'url' and '(' is not allowed

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:789:24: Whitespace between 'url' and '(' is not allowed

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:795:24: Whitespace between 'url' and '(' is not allowed

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:801:24: Whitespace between 'url' and '(' is not allowed

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:841:10: Expected valid border

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:899:39: Expected ')'

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:918:39: Expected ')'

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:970:39: Expected ')'

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:1341:36: Expected ')'

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:1360:36: Expected ')'

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:1370:36: Expected ')'

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:1383:50: Expected ')'

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:1395:50: Expected ')'

(ubiquity:3129): Gtk-WARNING **: Theme parsing error: /usr/share/themes/greybird/gtk-3.0/gtk-widgets.css:1408:134: Expected ')'
**
Gtk:ERROR:/build/buildd/gtk+3.0-3.1.12/./gtk/gtkcssprovider.c:1275:gtk_css_scanner_new: assertion failed: (data[length] == 0)