package tzdata 2020a-0ubuntu0.20.04 failed to install/upgrade: installed tzdata package post-installation script subprocess returned error exit status 128

I dont know what is it and how debug it. All screen is down. DOWN. I dont know how fix it. Problemm...

ProblemType: Package
DistroRelease: Ubuntu 20.04
Package: tzdata 2020a-0ubuntu0.20.04
ProcVersionSignature: Ubuntu 5.4.0-39.43-generic 5.4.41
Uname: Linux 5.4.0-39-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.3
Architecture: amd64
CasperMD5CheckResult: skip
Date: Thu Jul 2 02:38:14 2020
DuplicateSignature:
 package:tzdata:2020a-0ubuntu0.20.04
 Setting up tzdata (2020a-0ubuntu0.20.04) ...
 Use of uninitialized value $ret in string eq at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 134.
 dpkg: error processing package tzdata (--configure):
  installed tzdata package post-installation script subprocess returned error exit status 128
ErrorMessage: installed tzdata package post-installation script subprocess returned error exit status 128
InstallationDate: Installed on 2020-07-01 (0 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
PackageArchitecture: all
Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.19.7ubuntu3
 apt 2.0.2ubuntu0.1
SourcePackage: tzdata
Title: package tzdata 2020a-0ubuntu0.20.04 failed to install/upgrade: installed tzdata package post-installation script subprocess returned error exit status 128
UpgradeStatus: No upgrade log present (probably fresh install)