Error trying to bootstrap ubuntu lunar from a lunar chroot: E: Couldn't find these debs: usr-is-merged

Trying to bootstrap Ubuntu 23.04 from 23.04 chroot generates an error as shown below. Steps done prior trying to bootstrap: created a symlink named lunar linking to bullseye located in the /usr/share/debootstrap/scripts folder.

# debootstrap --variant=minbase lunar /target http://archive.ubuntu.com/ubuntu
W: Cannot check Release signature; keyring file not available /usr/share/keyrings/debian-archive-keyring.gpg
I: Retrieving InRelease
I: Retrieving Packages
I: Validating Packages
I: Resolving dependencies of required packages...
I: Resolving dependencies of base packages...
I: Checking component main on http://archive.ubuntu.com/ubuntu...
E: Couldn't find these debs: usr-is-merged

Adding --exclude=usr-is-merged to command line avoids the problem.

Temporary chroot bootstrapped from Ubuntu 22.04 LTS using command
# debootstrap --variant=minbase --no-check-gpg lunar /tmp/lunar http://archive.ubuntu.com/ubuntu

Chroot accessed using a helper script created by me that automates many repetitive jobs when chrooting to a linux based OS, it is attached, usage: script_name chroot

Debootstrap version 1.0.127ubuntu1
---
ProblemType: Bug
ApportVersion: 2.23.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: unknown
DistroRelease: Ubuntu 22.10
Package: debootstrap 1.0.127ubuntu1
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 5.15.0-52.58-generic 5.15.60
Tags: kinetic
Uname: Linux 5.15.0-52-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: N/A
_MarkForUpload: True