package ntop 3:4.99.3+ndpi5517+dfsg3-1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

i did not have thee ifo it asked in installation

ProblemType: Package
DistroRelease: Ubuntu 13.04
Package: ntop 3:4.99.3+ndpi5517+dfsg3-1
ProcVersionSignature: Ubuntu 3.8.0-30.44-generic 3.8.13.6
Uname: Linux 3.8.0-30-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.9.2-0ubuntu8.3
Architecture: i386
Date: Thu Sep 12 21:21:05 2013
DuplicateSignature: package:ntop:3:4.99.3+ndpi5517+dfsg3-1:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
MarkForUpload: True
SourcePackage: ntop
Title: package ntop 3:4.99.3+ndpi5517+dfsg3-1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to raring on 2013-08-12 (31 days ago)