The AppStream system cache was updated, but some components were ignored. Refer to the verbose log for more information.

[LAZA]

~$ sudo apt update && sudo apt upgrade && sudo apt dist-upgrade
OK:1 http://security.ubuntu.com/ubuntu focal-security InRelease
OK:2 http://archive.canonical.com/ubuntu focal InRelease
OK:3 http://de.archive.ubuntu.com/ubuntu focal InRelease
OK:4 http://de.archive.ubuntu.com/ubuntu focal-updates InRelease
OK:5 http://de.archive.ubuntu.com/ubuntu focal-backports InRelease
The AppStream system cache was updated, but some components were ignored. Refer to the verbose log for more information.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: apt 1.9.8
ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8
Uname: Linux 5.4.0-12-generic x86_64
ApportVersion: 2.20.11-0ubuntu16
Architecture: amd64
Date: Mon Feb 3 17:48:43 2020
InstallationDate: Installed on 2020-01-16 (17 days ago)
InstallationMedia: Xubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
ProcEnviron:
 LANGUAGE=de_DE
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SourcePackage: apt
UpgradeStatus: Upgraded to focal on 2020-01-21 (12 days ago)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.