package libgucharmap7 1:3.0.1-0ubuntu1 failed to install/upgrade: trying to overwrite '/usr/lib/libgucharmap_2_90.so.7.0.0', which is also in package libgucharmap-2-90-7 1:3.1.92-0ubuntu1

[vassilis karamitros]

i was doing an update when this happened

ProblemType: Package
DistroRelease: Ubuntu 11.10
Package: libgucharmap7 1:3.0.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic-pae 3.0.4
Uname: Linux 3.0.0-11-generic-pae i686
ApportVersion: 1.23-0ubuntu1
Architecture: i386
Date: Mon Sep 19 22:48:01 2011
DuplicateSignature:
 Unpacking replacement libgucharmap7 ...
 dpkg: error processing /var/cache/apt/archives/libgucharmap7_1%3a3.1.92-0ubuntu1_i386.deb (--unpack):
  trying to overwrite '/usr/lib/libgucharmap_2_90.so.7.0.0', which is also in package libgucharmap-2-90-7 1:3.1.92-0ubuntu1
ErrorMessage: trying to overwrite '/usr/lib/libgucharmap_2_90.so.7.0.0', which is also in package libgucharmap-2-90-7 1:3.1.92-0ubuntu1
SourcePackage: gucharmap
Title: package libgucharmap7 1:3.0.1-0ubuntu1 failed to install/upgrade: trying to overwrite '/usr/lib/libgucharmap_2_90.so.7.0.0', which is also in package libgucharmap-2-90-7 1:3.1.92-0ubuntu1
UpgradeStatus: Upgraded to oneiric on 2011-09-19 (0 days ago)