software-properties-gtk crashed with Error in setlocale(): unsupported locale setting

[wolfen69]

I am using Xubuntu 11.04 64bit alpha3. When trying to open "repositories" in synaptic, it doesn't open.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: software-properties-gtk 0.80.4
ProcVersionSignature: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6
Uname: Linux 2.6.38-5-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Mon Mar 7 16:17:33 2011
ExecutablePath: /usr/bin/software-properties-gtk
InstallationMedia: Xubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110302)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/software-properties-gtk -n -t 56623233
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, no user)
 LANG=en_US
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/software-properties-gtk', '-n', '-t', '56623233']
SourcePackage: software-properties
Title: software-properties-gtk crashed with Error in setlocale(): unsupported locale setting
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #730643, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.