couldn't upgrade from 20.04 to 22.04

[Kayhan Aktan]

exit in the middle while processing the upgrade,

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: ubuntu-release-upgrader-core 1:20.04.39
ProcVersionSignature: Ubuntu 5.4.0-137.154-generic 5.4.218
Uname: Linux 5.4.0-137-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.25
Architecture: amd64
CasperMD5CheckResult: skip
CrashDB: ubuntu
Date: Wed Jan 25 10:30:38 2023
InstallationDate: Installed on 2019-04-01 (1394 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to focal on 2023-01-25 (0 days ago)
VarLogDistupgradeAptlog:
 Log time: 2023-01-25 10:29:43.856875
 Log time: 2023-01-25 10:29:45.404693
 Log time: 2023-01-25 10:30:38.525263
 Log time: 2023-01-25 10:30:40.103152