This is from Mint 19.3 (based on Ubuntu 18.04), "apt --fix-broken install" is just not correct, please, fix this cosmetic bug...
# apt version apt 1.6.12ubuntu0.2 # apt --fix-broken install apt Usage: apt command [options] apt help command [options] Commands: add-repository - Add entries to apt sources.list autoclean - Erase old downloaded archive files autoremove - Remove automatically all unused packages This works: # apt install --fix-broken Reading package lists... Done Building dependency tree -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1869721 Title: Apt error message gives incorrect syntax To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1869721/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs