ibus-engine-chewing crashed with SIGABRT in raise()

[Eddie]

AMD Athon II X4 640
Linux 2.66.38-8 generic
Ubuntu 11.10
ibus-chewing 1.3.9.2-2Ubuntu1

When switching to chewing and start to type...
it just crashed. Again and again.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: ibus-chewing 1.3.9.2-2ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
Architecture: amd64
Date: Sat Aug 27 05:53:06 2011
ExecutablePath: /usr/lib/ibus-chewing/ibus-engine-chewing
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
ProcCmdline: /usr/lib/ibus-chewing/ibus-engine-chewing --ibus
ProcEnviron:
 LANGUAGE=zh_TW:zh
 PATH=(custom, no user)
 LANG=zh_TW.UTF-8
 SHELL=/bin/bash
Signal: 6
SourcePackage: ibus-chewing
StacktraceTop:
 raise () from /lib/x86_64-usernameux-gnu/libc.so.6
 abort () from /lib/x86_64-usernameux-gnu/libc.so.6
 g_assertion_message () from /lib/x86_64-usernameux-gnu/libglib-2.0.so.0
 g_assertion_message_expr () from /lib/x86_64-usernameux-gnu/libglib-2.0.so.0
 ibus_lookup_table_append_label () from /usr/lib/libibus-1.0.so.0
Title: ibus-engine-chewing crashed with SIGABRT in raise()
UpgradeStatus: Upgraded to oneiric on 2011-08-26 (0 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 g_assertion_message (domain=<optimized out>, file=<optimized out>, line=<optimized out>, func=0x7fab3d634b40 "ibus_lookup_table_append_label", message=0x1b906b0 "assertion failed: (IBUS_IS_TEXT (text))") at /build/buildd/glib2.0-2.29.16/./glib/gtestutils.c:1425
 g_assertion_message_expr (domain=0x7fab3d632230 "IBUS", file=0x7fab3d63490d "ibuslookuptable.c", line=263, func=0x7fab3d634b40 "ibus_lookup_table_append_label", expr=<optimized out>) at /build/buildd/glib2.0-2.29.16/./glib/gtestutils.c:1436
 ibus_lookup_table_append_label (table=0x1b73d10, text=0x0) at ibuslookuptable.c:263
 ibus_chewing_engine_set_lookup_table_label ()
 ?? ()