package base-files 9.4ubuntu4.9 failed to install/upgrade: subprocess installed post-installation script returned error exit status 127

[bdubawoop]

terying to upgrade from 1404 to 1604

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: base-files 9.4ubuntu4.9
ProcVersionSignature: Ubuntu 3.13.0-170.220-generic 3.13.11-ckt39
Uname: Linux 3.13.0-170-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.29
Architecture: amd64
Date: Thu Jul 11 16:47:21 2019
Dependencies:

DuplicateSignature: package:base-files:9.4ubuntu4.9:subprocess installed post-installation script returned error exit status 127
ErrorMessage: subprocess installed post-installation script returned error exit status 127
InstallationDate: Installed on 2013-07-04 (2198 days ago)
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130213)
RelatedPackageVersions:
 dpkg 1.17.5ubuntu5.8
 apt 1.0.1ubuntu2.23
SourcePackage: base-files
Title: package base-files 9.4ubuntu4.9 failed to install/upgrade: subprocess installed post-installation script returned error exit status 127
UpgradeStatus: Upgraded to xenial on 2019-07-12 (0 days ago)