Can not add ppa on Ubuntu 24.04

[samikhailov]

Steps

1. Run

$ sudo add-apt-repository ppa:slytomcat/ppa

Result

Repository: 'Types: deb
URIs: https://ppa.launchpadcontent.net/slytomcat/ppa/ubuntu/
Suites: noble
Components: main
'
Description:
yd-tools
--------------------
yd-tools is a package that contains the following components:
- Desktop panel indicator that assists to monitor the current synchronization status of your Yandex.Disk. It shows current status via icon in indicator area in your desktop panel and via pop-up notifications on your desktop. The indicator also have a menu with more detailed information about Yandex.Disk status, some useful commands and settings.
- Yandex.Disk setup GUI utility that can be used to set-up your connection to Yandex.Disk. It is called automatically during Indicator start when the connection to Yandex.Disk is not configured yet.
- Set of plugins for file managers. Plugins allow to publish and unpublish files via Yandex.Disk. Plugins will be installed automatically and only for the file managers which are currently installed in the system. Supported file managers: Nautilus, Thunar, Nemo, Dolphin, Pantheon-files, Caja.

Interface languages supported: English, Russian, Greek, Bulgarian, Belorussian.

Support
-------
wiki (English/Russian): https://github.com/slytomcat/yandex-disk-indicator/wiki

Sources & Support (English/Russian): https://github.com/slytomcat/yandex-disk-indicator

Project discussion & support (in Russian language) available at http://forum.ubuntu.ru/index.php?topic=241992.0

Maitainer/developer: <email address hidden> (English/Russian)
More info: https://launchpad.net/~slytomcat/+archive/ubuntu/ppa
Adding repository.
Press [ENTER] to continue or Ctrl-c to cancel.



Found existing deb entry in /etc/apt/sources.list.d/slytomcat-ubuntu-ppa-noble.sources
Hit:1 http://ru.archive.ubuntu.com/ubuntu noble InRelease
Hit:2 http://repo.yandex.ru/yandex-disk/deb stable InRelease
Get:3 http://ru.archive.ubuntu.com/ubuntu noble-updates InRelease [89,7 kB]                  
Hit:4 http://ru.archive.ubuntu.com/ubuntu noble-backports InRelease                          
Hit:5 https://dl.google.com/linux/chrome/deb stable InRelease                                
Hit:6 http://security.ubuntu.com/ubuntu noble-security InRelease                             
Ign:7 https://ppa.launchpadcontent.net/slytomcat/ppa/ubuntu noble InRelease          
Err:8 https://ppa.launchpadcontent.net/slytomcat/ppa/ubuntu noble Release
  404  Not Found [IP: 2620:2d:4000:1::81 443]
Reading package lists... Done
W: http://repo.yandex.ru/yandex-disk/deb/dists/stable/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.
E: The repository 'https://ppa.launchpadcontent.net/slytomcat/ppa/ubuntu noble 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.