Error while doing apt-get upgrade or while installing something with apt-get

I am experiencing an error while I try to install or upgrade anything in a Debian 9.0 server. That is what the terminal returns to me. root@engelmar:~# apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done You might want to run 'apt --fix-broken install' to correct these. The following packages have unmet dependencies: cdebconf : Depends: libdebian-installer4 (>= 0.110) but it is not installed Depends: libtextwrap1 but it is not installed libc-bin : Depends: libc6 (< 2.25) but 2.28-10 is installed libc-dev-bin : Depends: libc6 (< 2.25) but 2.28-10 is installed libc6-dev : Depends: libc6 (= 2.24-11+deb9u4) but 2.28-10 is installed E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution). root@engelmar:~# apt --fix-broken install Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following packages were automatically installed and are no longer required: linux-libc-dev python-all sysstat Use 'apt autoremove' to remove them. The following additional packages will be installed: libdebian-installer4 libtextwrap1 The following packages will be REMOVED: build-essential g++ g++-6 libc-bin libc-dev-bin libc6-dev libexpat1-dev libpython-all-dev libpython-dev libpython2.7-dev libstdc++-6-dev python-all-dev python-dev python2.7-dev The following NEW packages will be installed: libdebian-installer4 libtextwrap1 WARNING: The following essential packages will be removed. This should NOT be done unless you know exactly what you are doing! libc-bin 0 upgraded, 2 newly installed, 14 to remove and 0 not upgraded. 5 not fully installed or removed. Need to get 0 B/201 kB of archives. After this operation, 102 MB disk space will be freed. You are about to do something potentially harmful. To continue type in the phrase 'Yes, do as I say!' ?] Yes, do as I say! perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = "pt_BR:pt:en", LC_ALL = (unset), LANG = "pt_BR.UTF-8" are supported and installed on your system. perl: warning: Falling back to the standard locale ("C"). locale: Cannot set LC_ALL to default locale: Arquivo ou diretório não encontrado debconf: delaying package configuration, since apt-utils is not installed dpkg: error processing package debconf (--configure): package is in a very bad inconsistent state; you should reinstall it before attempting configuration Errors were encountered while processing: debconf E: Sub-process /usr/bin/dpkg returned an error code (1) root@engelmar:~# Does someone know how to fix it?