It looks like /etc/bash_completion.d/libreoffice.sh (which is installed by libreoffice-common) was modified externally. Or maybe the updated package was corrupted? Can you try re-installing it by issuing the following command in a terminal:
sudo apt install --reinstall libreoffice-common ** Changed in: libreoffice (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to libreoffice in Ubuntu. https://bugs.launchpad.net/bugs/1767005 Title: package libreoffice-pdfimport 1:5.1.6~rc2-0ubuntu1~xenial3 failed to install/upgrade: problemas de dependência - deixando desconfigurado Status in libreoffice package in Ubuntu: Incomplete Bug description: error appeared when I booted the pc ProblemType: Package DistroRelease: Ubuntu 16.04 Package: libreoffice-pdfimport 1:5.1.6~rc2-0ubuntu1~xenial3 ProcVersionSignature: Ubuntu 4.4.0-109.132-generic 4.4.98 Uname: Linux 4.4.0-109-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.15 Architecture: amd64 Date: Tue Apr 24 08:47:37 2018 ErrorMessage: problemas de dependência - deixando desconfigurado InstallationDate: Installed on 2016-09-28 (574 days ago) InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) RelatedPackageVersions: dpkg 1.18.4ubuntu1.2 apt 1.2.20 SourcePackage: libreoffice Title: package libreoffice-pdfimport 1:5.1.6~rc2-0ubuntu1~xenial3 failed to install/upgrade: problemas de dependência - deixando desconfigurado UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libreoffice/+bug/1767005/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp