package cm-super-minimal 0.3.4-9 failed to install/upgrade: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 2

j'arrive pas a faire un autoremove

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: cm-super-minimal 0.3.4-9
ProcVersionSignature: Ubuntu 4.15.0-65.74~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-65-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.19
Architecture: amd64
Date: Thu Oct 17 18:31:57 2019
ErrorMessage: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 2
InstallationDate: Installed on 2018-04-02 (563 days ago)
InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.6
 apt 1.2.32
SourcePackage: cm-super
Title: package cm-super-minimal 0.3.4-9 failed to install/upgrade: le sous-processus script post-installation installé a retourné une erreur de sortie d'état 2
UpgradeStatus: Upgraded to xenial on 2019-10-14 (3 days ago)