Comment 5 for bug 1899522

Hi I solved it by following this command:
sudo apt-get -o Dpkg::Options::="--force-overwrite" install -f libnvidia-common-450-server
Answer from:
https://askubuntu.com/questions/1285472/ubuntu-18-04-broken-install-problem-with-libnvidia-common-450-package

Hope it's not too late..