Hi, I also have the same problem on Ubuntu 24.04.1. A solution was to remove the "apt-cacher-ng" cache for Ubuntu noble :
sudo rm -rf /var/cache/apt-cacher-ng/uburep/dists/noble-*/ ** Package changed: apt (Ubuntu) => apt-cacher-ng (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1956039 Title: BADSIG 871920D1991BC93C Ubuntu Archive Automatic Signing Key (2018) <[email protected]> To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt-cacher-ng/+bug/1956039/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
