Issue installing Flatpak on chromeos

1

Installing on chromeos, I get this error when installing, any help?

Fetched 3,987 kB in 1s (3,383 kB/s)
E: Failed to fetch https://deb.debian.org/debian/pool/main/a/avahi/libavahi-glib1_0.8-5%2Bdeb11u1_amd64.deb 404 Not Found [IP: 151.101.138.132 443]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

2

Did you run apt-get update before running the install command?