Look like you are on bullseye but you still have an entry for buster-security. This should not have happened since FreedomBox should have updated the entries in /etc/apt/sources.list during the upgrade process.
Look like you are on bullseye but you still have an entry for buster-security. This should not have happened since FreedomBox should have updated the entries in /etc/apt/sources.list during the upgrade process.