[Bug 1898690] Re: package less 487-0.1 failed to install/upgrade: new less package pre-installation script subprocess returned error exit status 2

[Guillaume]

It was due to an issue with mysql /etc/mysql/my.cnf.fallback file.
This bug can be closed.

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Title:
  package less 487-0.1 failed to install/upgrade: new less package pre-
  installation script subprocess returned error exit status 2

Status in less package in Ubuntu:
  New

Bug description:
  Ocurred during bionic to focal upgrade.

  ProblemType: Package
  DistroRelease: Ubuntu 20.04
  Package: less 487-0.1
  ProcVersionSignature: Ubuntu 4.15.0-118.119-generic 4.15.18
  Uname: Linux 4.15.0-118-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.9
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Tue Oct  6 09:47:23 2020
  DuplicateSignature:
   package:less:487-0.1
   Preparing to unpack .../007-less_551-1ubuntu0.1_amd64.deb ...
   update-alternatives: error: cannot stat file '/etc/mysql/my.cnf.fallback': Too many levels of symbolic links
   dpkg: error processing archive /tmp/apt-dpkg-install-W2kFIm/007-less_551-1ubuntu0.1_amd64.deb (--unpack):
    new less package pre-installation script subprocess returned error exit status 2
  Ec2AMI: ami-00000002
  Ec2AMIManifest: FIXME
  Ec2AvailabilityZone: nova
  Ec2InstanceType: vps-cloud-2
  Ec2Kernel: unavailable
  Ec2Ramdisk: unavailable
  ErrorMessage: new less package pre-installation script subprocess returned error exit status 2
  Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2
  PythonDetails: /usr/bin/python2.7, Python 2.7.18rc1, python-is-python2, 2.7.17-4
  RelatedPackageVersions:
   dpkg 1.19.7ubuntu3
   apt  2.0.2ubuntu0.1
  SourcePackage: less
  Title: package less 487-0.1 failed to install/upgrade: new less package pre-installation script subprocess returned error exit status 2
  UpgradeStatus: Upgraded to focal on 2020-10-06 (0 days ago)

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