package libecj-java 3.10.1-2 failed to install/upgrade: package is in a very bad inconsistent state; you should reinstall it before attempting configuration

i don't know

ProblemType: Package
DistroRelease: Ubuntu 15.10
Package: libecj-java 3.10.1-2
ProcVersionSignature: Ubuntu 4.2.0-19.23-generic 4.2.6
Uname: Linux 4.2.0-19-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
Date: Mon Dec 28 12:20:08 2015
Dependencies: java-common 0.52
DuplicateSignature: package:libecj-java:3.10.1-2:package is in a very bad inconsistent state; you should reinstall it before attempting configuration
ErrorMessage: package is in a very bad inconsistent state; you should reinstall it before attempting configuration
InstallationDate: Installed on 2015-12-04 (24 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.2ubuntu5.1
 apt 1.0.10.2ubuntu1
SourcePackage: ecj
Title: package libecj-java 3.10.1-2 failed to install/upgrade: package is in a very bad inconsistent state; you should reinstall it before attempting configuration
UpgradeStatus: No upgrade log present (probably fresh install)