Comment 0 for bug 859188

Hi, I wanted to reinstall libgl1-mesa-glx because I cannot run KDE4.7.1 and synaptic and also apt-get using konsole gives me this:
"E: Internal Error, No file name for libgl1-mesa-glx"
It seems the package is not avaliable, right?
Thanks

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: apt 0.8.16~exp5ubuntu11
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic x86_64
ApportVersion: 1.23-0ubuntu1
Architecture: amd64
Date: Sun Sep 25 22:44:19 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
ProcEnviron:
 LANG=cs_CZ.UTF-8
 SHELL=/bin/bash
SourcePackage: apt
UpgradeStatus: Upgraded to oneiric on 2011-09-24 (1 days ago)