Unable to update from 23.04 to 23.10.

[Nikitos]

Message: "Unofficial software packages are not supported by Ubuntu Please use the 'ppa-purge' command from the ppa-purge package to remove the software from the Launchpad PPA and try updating again."

ProblemType: Bug
DistroRelease: Ubuntu 23.04
Package: ubuntu-release-upgrader-core 1:23.04.7
ProcVersionSignature: Ubuntu 6.5.0-14.14~22.04.1-generic 6.5.3
Uname: Linux 6.5.0-14-generic x86_64
ApportVersion: 2.26.1-0ubuntu2.1
Architecture: amd64
CasperMD5CheckResult: pass
CrashDB: ubuntu
CrashReports: 640:1000:124:1787169:2024-01-10 23:14:14.931968212 +0400:2024-01-10 23:14:15.931968212 +0400:/var/crash/_usr_libexec_tracker-extract-3.1000.crash
CurrentDesktop: ubuntu:GNOME
Date: Thu Jan 11 01:04:39 2024
InstallationDate: Installed on 2023-11-09 (62 days ago)
InstallationMedia: Ubuntu 22.04.3 LTS "Jammy Jellyfish" - Release amd64 (20230807.2)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to lunar on 2024-01-10 (0 days ago)
VarLogDistupgradeTermlog: