package gdb-arm-none-eabi (not installed) failed to install/upgrade: trying to overwrite '/usr/share/man/man1/gdb.1.gz', which is also in package gdb 8.1-0ubuntu3

[Shubham Mudkondwar]

it just oocured in ubuntu 18.04

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: gdb-arm-none-eabi (not installed)
ProcVersionSignature: Ubuntu 4.15.0-34.37-generic 4.15.18
Uname: Linux 4.15.0-34-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
Date: Wed Sep 26 11:16:47 2018
DuplicateSignature:
 package:gdb-arm-none-eabi:(not installed)
 Unpacking gdb-arm-none-eabi (7.6.50.20131218-0ubuntu1+1) ...
 dpkg: error processing archive /tmp/apt-dpkg-install-IsR67G/20-gdb-arm-none-eabi_7.6.50.20131218-0ubuntu1+1_amd64.deb (--unpack):
  trying to overwrite '/usr/share/man/man1/gdb.1.gz', which is also in package gdb 8.1-0ubuntu3
ErrorMessage: trying to overwrite '/usr/share/man/man1/gdb.1.gz', which is also in package gdb 8.1-0ubuntu3
InstallationDate: Installed on 2018-09-25 (0 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
Python3Details: /usr/bin/python3.6, Python 3.6.6, python3-minimal, 3.6.5-3ubuntu1
PythonDetails: N/A
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2
 apt 1.6.3ubuntu0.1
SourcePackage: gdb-arm-none-eabi
Title: package gdb-arm-none-eabi (not installed) failed to install/upgrade: trying to overwrite '/usr/share/man/man1/gdb.1.gz', which is also in package gdb 8.1-0ubuntu3
UpgradeStatus: No upgrade log present (probably fresh install)