i cant update ubuntu

[Ultroms]

sudo apt-get update
Obj:1 http://es.archive.ubuntu.com/ubuntu lunar InRelease
Obj:2 https://dl.winehq.org/wine-builds/ubuntu lunar InRelease
Obj:3 http://es.archive.ubuntu.com/ubuntu lunar-updates InRelease
Obj:4 http://es.archive.ubuntu.com/ubuntu lunar-backports InRelease
Obj:5 http://es.archive.ubuntu.com/ubuntu lunar-security InRelease
Obj:6 http://security.ubuntu.com/ubuntu lunar-security InRelease
Obj:7 http://es.archive.ubuntu.com/ubuntu lunar-proposed InRelease
Ign:8 https://ppa.launchpadcontent.net/costales/yaru-colors-folder-color/ubuntu lunar InRelease
Err:9 https://ppa.launchpadcontent.net/costales/yaru-colors-folder-color/ubuntu lunar Release
  404 Not Found [IP: 185.125.190.52 443]
Leyendo lista de paquetes... Hecho
E: El repositorio «https://ppa.launchpadcontent.net/costales/yaru-colors-folder-color/ubuntu lunar Release» no tiene un fichero de Publicación.
N: No se puede actualizar de un repositorio como este de forma segura y por tanto está deshabilitado por omisión.
N: Vea la página de manual apt-secure(8) para los detalles sobre la creación de repositorios y la configuración de usuarios.

ProblemType: Bug
DistroRelease: Ubuntu 23.04
Package: apt 2.6.0ubuntu0.1
ProcVersionSignature: Ubuntu 6.2.0-32.32-generic 6.2.16
Uname: Linux 6.2.0-32-generic x86_64
ApportVersion: 2.26.1-0ubuntu2
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Tue Sep 5 12:12:29 2023
InstallationDate: Installed on 2023-08-06 (29 days ago)
InstallationMedia: Ubuntu 23.04 "Lunar Lobster" - Release amd64 (20230418)
ProcEnviron:
 LANG=es_ES.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/bash
 TERM=xterm-256color
 XDG_RUNTIME_DIR=<set>
SourcePackage: apt
UpgradeStatus: No upgrade log present (probably fresh install)

[Alex Murray (alexmurray)]

Thanks for taking the time to report this bug and helping to make Ubuntu better. We appreciate the difficulties you are facing, but this appears to be a "regular" (non-security) bug. I have unmarked it as a security issue since this bug does not show evidence of allowing attackers to cross privilege boundaries nor directly cause loss of data/privacy. Please feel free to report any other bugs you may find.