It's related to xkb-data & xkb-data-i18n packages.
You may try to install versions from xenial, using dpkg command.
http://packages.ubuntu.com/xenial/xkb-data http://packages.ubuntu.com/xenial/xkb-data-i18n
It's related to xkb-data & xkb-data-i18n packages.
You may try to install versions from xenial, using dpkg command.
http:// packages. ubuntu. com/xenial/ xkb-data packages. ubuntu. com/xenial/ xkb-data- i18n
http://