Installing '/usr/share/themes/Canta'...
cp: cannot stat './src/unity/*.svg': No such file or directory
cp: cannot stat './src/unity/*.png': No such file or directory
cp: cannot stat './src/unity/dash-widgets.json': No such file or directory
cp: cannot stat './src/unity/assets': No such file or directory
cp: cannot stat './src/xfwm4/*.svg': No such file or directory
cp: cannot stat './src/xfwm4/themerc': No such file or directory
cp: cannot stat './src/xfwm4/assets': No such file or directory
Installing '/usr/share/themes/Canta-compact'...
cp: cannot stat './COPYING': No such file or directory
cp: cannot stat './AUTHORS': No such file or directory
cp: cannot stat './src/gnome-shell/*.svg': No such file or directory
cp: cannot stat './src/gnome-shell/extensions': No such file or directory
cp: cannot stat './src/gnome-shell/noise-texture.png': No such file or directory
cp: cannot stat './src/gnome-shell/pad-osd.css': No such file or directory
cp: cannot stat './src/gnome-shell/assets': No such file or directory
cp: cannot stat './src/gnome-shell/gnome-shell-compact.css': No such file or directory
Failed to open file './src/gnome-shell/gnome-shell-theme.gresource.xml': No such file or directory
cp: cannot stat './src/gtk-2.0/apps.rc': No such file or directory
cp: cannot stat './src/gtk-2.0/hacks.rc': No such file or directory
cp: cannot stat './src/gtk-2.0/main.rc': No such file or directory
cp: cannot stat './src/gtk-2.0/assets': No such file or directory
cp: cannot stat './src/gtk-2.0/gtkrc': No such file or directory
cp: cannot stat './src/gtk/assets': No such file or directory
cp: cannot stat './src/gtk/gtk-compact.css': No such file or directory
cp: cannot stat './src/gtk/gtk-dark-compact.css': No such file or directory
cp: cannot stat './src/metacity-1/assets/*.png': No such file or directory
cp: cannot stat './src/metacity-1/metacity-theme-1.xml': No such file or directory
cp: cannot stat './src/unity/*.svg': No such file or directory
cp: cannot stat './src/unity/*.png': No such file or directory
cp: cannot stat './src/unity/dash-widgets.json': No such file or directory
cp: cannot stat './src/unity/assets': No such file or directory
cp: cannot stat './src/xfwm4/*.svg': No such file or directory
cp: cannot stat './src/xfwm4/themerc': No such file or directory
cp: cannot stat './src/xfwm4/assets': No such file or directory
Installing '/usr/share/themes/Canta-dark'...
cp: cannot stat './COPYING': No such file or directory
cp: cannot stat './AUTHORS': No such file or directory
cp: cannot stat './src/gnome-shell/*.svg': No such file or directory
cp: cannot stat './src/gnome-shell/extensions': No such file or directory
cp: cannot stat './src/gnome-shell/noise-texture.png': No such file or directory
cp: cannot stat './src/gnome-shell/pad-osd.css': No such file or directory
cp: cannot stat './src/gnome-shell/assets-dark': No such file or directory
cp: cannot stat './src/gnome-shell/gnome-shell-dark.css': No such file or directory
Failed to open file './src/gnome-shell/gnome-shell-theme.gresource.xml': No such file or directory
cp: cannot stat './src/gtk-2.0/apps.rc': No such file or directory
cp: cannot stat './src/gtk-2.0/hacks.rc': No such file or directory
cp: cannot stat './src/gtk-2.0/main.rc': No such file or directory
cp: cannot stat './src/gtk-2.0/assets-dark': No such file or directory
cp: cannot stat './src/gtk-2.0/gtkrc-dark': No such file or directory
cp: cannot stat './src/gtk/assets': No such file or directory
cp: cannot stat './src/gtk/gtk-dark.css': No such file or directory
cp: cannot stat './src/metacity-1/assets/*.png': No such file or directory
cp: cannot stat './src/metacity-1/metacity-theme-1-dark.xml': No such file or directory
cp: cannot stat './src/unity/*.svg': No such file or directory
cp: cannot stat './src/unity/*.png': No such file or directory
cp: cannot stat './src/unity/dash-widgets.json': No such file or directory
cp: cannot stat './src/unity/assets': No such file or directory
cp: cannot stat './src/xfwm4/*.svg': No such file or directory
cp: cannot stat './src/xfwm4/themerc': No such file or directory
cp: cannot stat './src/xfwm4/assets': No such file or directory
Installing '/usr/share/themes/Canta-dark-compact'...
cp: cannot stat './COPYING': No such file or directory
cp: cannot stat './AUTHORS': No such file or directory
cp: cannot stat './src/gnome-shell/*.svg': No such file or directory
cp: cannot stat './src/gnome-shell/extensions': No such file or directory
cp: cannot stat './src/gnome-shell/noise-texture.png': No such file or directory
cp: cannot stat './src/gnome-shell/pad-osd.css': No such file or directory
cp: cannot stat './src/gnome-shell/assets-dark': No such file or directory
cp: cannot stat './src/gnome-shell/gnome-shell-dark-compact.css': No such file or directory
Failed to open file './src/gnome-shell/gnome-shell-theme.gresource.xml': No such file or directory
cp: cannot stat './src/gtk-2.0/apps.rc': No such file or directory
cp: cannot stat './src/gtk-2.0/hacks.rc': No such file or directory
cp: cannot stat './src/gtk-2.0/main.rc': No such file or directory
cp: cannot stat './src/gtk-2.0/assets-dark': No such file or directory
cp: cannot stat './src/gtk-2.0/gtkrc-dark': No such file or directory
cp: cannot stat './src/gtk/assets': No such file or directory
cp: cannot stat './src/gtk/gtk-dark-compact.css': No such file or directory
cp: cannot stat './src/metacity-1/assets/*.png': No such file or directory
cp: cannot stat './src/metacity-1/metacity-theme-1-dark.xml': No such file or directory
cp: cannot stat './src/unity/*.svg': No such file or directory
cp: cannot stat './src/unity/*.png': No such file or directory
cp: cannot stat './src/unity/dash-widgets.json': No such file or directory
cp: cannot stat './src/unity/assets': No such file or directory
cp: cannot stat './src/xfwm4/*.svg': No such file or directory
cp: cannot stat './src/xfwm4/themerc': No such file or directory
cp: cannot stat './src/xfwm4/assets': No such file or directory
Installing '/usr/share/themes/Canta-light'...
cp: cannot stat './COPYING': No such file or directory
cp: cannot stat './AUTHORS': No such file or directory
cp: cannot stat './src/gnome-shell/*.svg': No such file or directory
cp: cannot stat './src/gnome-shell/extensions': No such file or directory
cp: cannot stat './src/gnome-shell/noise-texture.png': No such file or directory
cp: cannot stat './src/gnome-shell/pad-osd.css': No such file or directory
cp: cannot stat './src/gnome-shell/assets': No such file or directory
cp: cannot stat './src/gnome-shell/gnome-shell-light.css': No such file or directory
Failed to open file './src/gnome-shell/gnome-shell-theme.gresource.xml': No such file or directory
cp: cannot stat './src/gtk-2.0/apps.rc': No such file or directory
cp: cannot stat './src/gtk-2.0/hacks.rc': No such file or directory
cp: cannot stat './src/gtk-2.0/main.rc': No such file or directory
cp: cannot stat './src/gtk-2.0/assets': No such file or directory
cp: cannot stat './src/gtk-2.0/gtkrc-light': No such file or directory
cp: cannot stat './src/gtk/assets': No such file or directory
cp: cannot stat './src/gtk/gtk-light.css': No such file or directory
cp: cannot stat './src/gtk/gtk-dark.css': No such file or directory
cp: cannot stat './src/metacity-1/assets/*.png': No such file or directory
cp: cannot stat './src/metacity-1/metacity-theme-1-light.xml': No such file or directory
cp: cannot stat './src/unity/*.svg': No such file or directory
cp: cannot stat './src/unity/*.png': No such file or directory
cp: cannot stat './src/unity/dash-widgets.json': No such file or directory
cp: cannot stat './src/unity/assets-light': No such file or directory
cp: cannot stat './src/xfwm4/*.svg': No such file or directory
cp: cannot stat './src/xfwm4/themerc': No such file or directory
cp: cannot stat './src/xfwm4/assets-light': No such file or directory
Installing '/usr/share/themes/Canta-light-compact'...
cp: cannot stat './COPYING': No such file or directory
cp: cannot stat './AUTHORS': No such file or directory
cp: cannot stat './src/gnome-shell/*.svg': No such file or directory
cp: cannot stat './src/gnome-shell/extensions': No such file or directory
cp: cannot stat './src/gnome-shell/noise-texture.png': No such file or directory
cp: cannot stat './src/gnome-shell/pad-osd.css': No such file or directory
cp: cannot stat './src/gnome-shell/assets': No such file or directory
cp: cannot stat './src/gnome-shell/gnome-shell-light-compact.css': No such file or directory
Failed to open file './src/gnome-shell/gnome-shell-theme.gresource.xml': No such file or directory
cp: cannot stat './src/gtk-2.0/apps.rc': No such file or directory
cp: cannot stat './src/gtk-2.0/hacks.rc': No such file or directory
cp: cannot stat './src/gtk-2.0/main.rc': No such file or directory
cp: cannot stat './src/gtk-2.0/assets': No such file or directory
cp: cannot stat './src/gtk-2.0/gtkrc-light': No such file or directory
cp: cannot stat './src/gtk/assets': No such file or directory
cp: cannot stat './src/gtk/gtk-light-compact.css': No such file or directory
cp: cannot stat './src/gtk/gtk-dark-compact.css': No such file or directory
cp: cannot stat './src/metacity-1/assets/*.png': No such file or directory
cp: cannot stat './src/metacity-1/metacity-theme-1-light.xml': No such file or directory
cp: cannot stat './src/unity/*.svg': No such file or directory
cp: cannot stat './src/unity/*.png': No such file or directory
cp: cannot stat './src/unity/dash-widgets.json': No such file or directory
cp: cannot stat './src/unity/assets-light': No such file or directory
cp: cannot stat './src/xfwm4/*.svg': No such file or directory
cp: cannot stat './src/xfwm4/themerc': No such file or directory
cp: cannot stat './src/xfwm4/assets-light': No such file or directory
Done.
Please help me resolving my issues. My OS is Ubuntu 16.04.
Thank you.