update-desktop-database: The databases in [/usr/share/mate/applications, /usr/local/share/applications, /usr/share/applications] could not be updated.

$ update-desktop-database
The databases in [/usr/share/mate/applications, /usr/local/share/applications, /usr/share/applications] could not be updated.

update-desktop-database is part of the desktop-file-utils package.

$ apt show desktop-file-utils
Package: desktop-file-utils
Version: 0.26-1ubuntu3+11.0trisquel2
Priority: optional
Section: devel
Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
Original-Maintainer: Debian freedesktop.org maintainers <pkg-freedesktop-maintainers@lists.alioth.debian.org>
Installed-Size: 265 kB
Depends: libc6 (>= 2.34), libglib2.0-0 (>= 2.49.3)
Homepage: http://www.freedesktop.org/wiki/Software/desktop-file-utils
Download-Size: 55,8 kB
APT-Manual-Installed: no
APT-Sources: https://archive.trisquel.org/trisquel aramo/main amd64 Packages
Description: Utilities for .desktop files
 Some utilities to make dealing with .desktop files easier:
  * update-desktop-database -- update the desktop-MIME mapping
  * desktop-file-validate -- validate a desktop file
  * desktop-file-install -- install a desktop file, munging en route.

Trisquel version: Trisquel 11.0.1 + upgrade