https://bugs.winehq.org/show_bug.cgi?id=51933
--- Comment #1 from osaka.niconico@gmail.com --- LANG=en sudo apt update Hit:1 http://jp.archive.ubuntu.com/ubuntu impish InRelease Hit:2 http://jp.archive.ubuntu.com/ubuntu impish-updates InRelease Hit:3 http://jp.archive.ubuntu.com/ubuntu impish-backports InRelease Get:4 https://dl.winehq.org/wine-builds/ubuntu impish InRelease [8043 B] Get:5 https://dl.winehq.org/wine-builds/ubuntu impish/main amd64 Packages [6936 B] Get:6 https://dl.winehq.org/wine-builds/ubuntu impish/main i386 Packages [6952 B] Err:7 https://dl.winehq.org/wine-builds/ubuntu impish/main all Packages 404 Not Found [IP: 151.101.230.217 443] Err:7 https://dl.winehq.org/wine-builds/ubuntu impish/main all Packages 404 Not Found [IP: 151.101.230.217 443] Err:7 https://dl.winehq.org/wine-builds/ubuntu impish/main all Packages 404 Not Found [IP: 151.101.230.217 443] Hit:8 http://security.ubuntu.com/ubuntu impish-security InRelease Fetched 21.9 kB in 1s (22.8 kB/s) Reading package lists... Done E: Failed to fetch https://dl.winehq.org/wine-builds/ubuntu/dists/impish/main/binary-all/Packag... 404 Not Found [IP: 151.101.230.217 443] E: Some index files failed to download. They have been ignored, or old ones used instead.