package moodle 3.0.3+dfsg-0ubuntu1 failed to install/upgrade: el subproceso instalado el script post-installation devolvió el código de salida de error 1

i can not install moodle

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: moodle 3.0.3+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-34.53-generic 4.4.15
Uname: Linux 4.4.0-34-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Sat Aug 27 16:13:26 2016
ErrorMessage: el subproceso instalado el script post-installation devolvió el código de salida de error 1
InstallationDate: Installed on 2016-07-29 (30 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: moodle
SystemImageInfo: Error: command ['system-image-cli', '-i'] failed with exit code 2:
Title: package moodle 3.0.3+dfsg-0ubuntu1 failed to install/upgrade: el subproceso instalado el script post-installation devolvió el código de salida de error 1
UpgradeStatus: No upgrade log present (probably fresh install)