xfce4-xkb-plugin assert failure: ERROR:xkb-util.c:36:xkb_util_get_flag_filename: assertion failed: (group_name != NULL)

Binary package hint: xfce4-xkb-plugin

Release: Karmic
Package: xfce4-xkb-plugin-0.5.3.3-0ubuntu2

I was just switching layout as usual and plugin crashed. Furthermore I cannot run it anymore: it crashes on startup.

ProblemType: Crash
Architecture: i386
AssertionMessage: ERROR:xkb-util.c:36:xkb_util_get_flag_filename: assertion failed: (group_name != NULL)
CrashCounter: 1
Date: Mon Sep 28 21:33:41 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/lib/xfce4-xkb-plugin/xfce4/panel-plugins/xfce4-xkb-plugin
Package: xfce4-xkb-plugin 0.5.3.3-0ubuntu2
ProcCmdline: /usr/lib/xfce4-xkb-plugin/xfce4/panel-plugins/xfce4-xkb-plugin socket_id 25168256 name xkb-plugin id 12540761331 display_name Keyboard\ Layouts size 34 screen_position 1
ProcEnviron:
 LC_TIME=ru_RU.UTF-8
 LANGUAGE=en_US.UTF-8
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-11.36-generic
Signal: 6
SourcePackage: xfce4-xkb-plugin
StacktraceTop:
 __kernel_vsyscall ()
 raise () from /lib/tls/i686/cmov/libc.so.6
 abort () from /lib/tls/i686/cmov/libc.so.6
 g_assertion_message () from /lib/libglib-2.0.so.0
 g_assertion_message_expr () from /lib/libglib-2.0.so.0
Title: xfce4-xkb-plugin assert failure: ERROR:xkb-util.c:36:xkb_util_get_flag_filename: assertion failed: (group_name != NULL)
Uname: Linux 2.6.31-11-generic i686
UserGroups: adm admin cdrom dialout fuse lpadmin plugdev sambashare