ubuntustudio-controls crashed with AttributeError in serialze_settings()

[Job Diógenes Ribeiro Borges]

Binary package hint: ubuntustudio-controls

I Just start Studio Control by mistake and Exit, without using.
After a while Appmor give me the error.

ProblemType: Crash
Architecture: i386
Date: Sun May 11 22:42:50 2008
DistroRelease: Ubuntu 8.04
ExecutablePath: /usr/bin/ubuntustudio-controls
InterpreterPath: /usr/bin/python2.5
NonfreeKernelModules: nvidia
Package: ubuntustudio-controls 0.2
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/ubuntustudio-controls
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/X11R6/bin
 LANG=pt_BR.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/ubuntustudio-controls']
SourcePackage: ubuntustudio-controls
Title: ubuntustudio-controls crashed with AttributeError in serialze_settings()
Uname: Linux 2.6.24-16-generic i686
UserGroups: