After some time the package database might get broken because you installed some incomplete stuff or did some installations manually, without thinking what you were doing. Now you get a warning everytime you run an apt-command, or even worse: it refuses to install anything.
run the following commands:
sudo bash
mv /var/lib/dpkg/status /var/lib/dpkg/status_bkup
sudo touch /var/lib/dpkg/status
sudo apt update && sudo apt upgrade
sudo apt dist-upgrade
and that worked for me :3
You should now run the following command to make all updates:
sudo apt-get update && sudo apt-get upgrade -y && sudo apt-get dist-upgrade -y && sudo apt-get autoremove