Build Log: conf-llvm-shared.20

Processing: [default: loading data] The following system packages will first need to be installed: libzstd-dev llvm-20-dev zlib1g-dev <><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><> + /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "libzstd-dev" "llvm-20-dev" "zlib1g-dev" - E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/p/python3.12/libpython3.12-minimal_3.12.3-1ubuntu0.8_amd64.deb 404 Not Found [IP: 91.189.92.23 80] - E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/p/python3.12/python3.12-minimal_3.12.3-1ubuntu0.8_amd64.deb 404 Not Found [IP: 91.189.92.23 80] - E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/p/python3.12/libpython3.12-stdlib_3.12.3-1ubuntu0.8_amd64.deb 404 Not Found [IP: 91.189.92.23 80] - E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/p/python3.12/python3.12_3.12.3-1ubuntu0.8_amd64.deb 404 Not Found [IP: 91.189.92.23 80] - E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing? [ERROR] System package install failed with exit code 100 at command: sudo apt-get install -qq -yy libzstd-dev llvm-20-dev zlib1g-dev [ERROR] These packages are still missing: libzstd-dev llvm-20-dev zlib1g-dev [NOTE] You can retry with '--assume-depexts' to skip this check, or run 'opam option depext=false' to permanently disable handling of system packages. opam-build: internal error, uncaught exception: OpamStd.OpamSys.Exit(10)