Ошибка обновления eoan в Ubuntu 19.10 [закрыто]

Эта проблема отличается от других проблем, о которых сообщалось, потому что на прошлой неделе все было нормально.

При запуске sudo apt update я получаю следующие ошибки:

Err:11 http://archive.ubuntu.com/ubuntu eoan Release             
  404  Not Found [IP: 2001:67c:1360:8001::23 80]
Err:12 http://archive.ubuntu.com/ubuntu eoan-updates Release
  404  Not Found [IP: 2001:67c:1360:8001::23 80]
Err:13 http://archive.ubuntu.com/ubuntu eoan-backports Release
  404  Not Found [IP: 2001:67c:1360:8001::23 80]
Err:14 http://archive.ubuntu.com/ubuntu eoan-security Release
  404  Not Found [IP: 2001:67c:1360:8001::23 80]

и ...

E: The repository 'http://archive.ubuntu.com/ubuntu eoan Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'http://archive.ubuntu.com/ubuntu eoan-updates Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'http://archive.ubuntu.com/ubuntu eoan-backports Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'http://archive.ubuntu.com/ubuntu eoan-security Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

Сейчас я не могу перейти на фокус LTS 20.04, потому что я над чем-то работаю с этим ноутбуком, поэтому я ' Мне интересно, это временная ошибка или есть решение.