obconf crash after modification of margins

[Thierry Lemaire]

lxpanel crash too

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: obconf 2.0.3-3ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-9.13-generic 3.0.3
Uname: Linux 3.0.0-9-generic x86_64
Architecture: amd64
CrashCounter: 1
Date: Tue Aug 23 16:59:42 2011
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/obconf
InstallationMedia: Lubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427)
ProcCmdline: obconf
ProcEnviron:
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
SegvAnalysis: Skipped: missing required field "Disassembly"
Signal: 11
SourcePackage: obconf
UpgradeStatus: Upgraded to oneiric on 2011-08-08 (15 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 g_value_object_collect_value (value=0x7ffff9e7eff0, n_collect_values=1, collect_values=0x7ffff9e7efb0, collect_flags=0) at /build/buildd/glib2.0-2.29.16/./gobject/gobject.c:3068
 gtk_list_store_set_valist_internal (list_store=0x22c7180, iter=0x610740, emit_signal=0x7ffff9e7f058, maybe_need_sort=0x7ffff9e7f05c, var_args=0x7ffff9e7f088) at /build/buildd/gtk+2.0-2.24.5/gtk/gtkliststore.c:802
 IA__gtk_list_store_set_valist (list_store=0x22c7180, iter=0x610740, var_args=0x7ffff9e7f088) at /build/buildd/gtk+2.0-2.24.5/gtk/gtkliststore.c:899
 IA__gtk_list_store_set (list_store=<optimized out>, iter=<optimized out>) at /build/buildd/gtk+2.0-2.24.5/gtk/gtkliststore.c:941
 update_theme_preview_iterate (data=0x22c7180) at src/preview_update.c:123