ibus-daemon crashed with SIGABRT in g_assertion_message()

[angelo.adamo]

I do not know what has gone wrong, the error appeared without any apparent reason.

'lsb_release -rd' result:
Description: Ubuntu Bionic Beaver (development branch)
Release: 18.04

'apt-cache policy ibus' result
ibus:
  Installato: 1.5.17-3ubuntu1
  Candidato: 1.5.17-3ubuntu1
  Tabella versione:
 *** 1.5.17-3ubuntu1 500
        500 http://it.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: ibus 1.5.17-3ubuntu1
ProcVersionSignature: Ubuntu 4.15.0-12.13-generic 4.15.7
Uname: Linux 4.15.0-12-generic x86_64
ApportVersion: 2.20.8-0ubuntu10
Architecture: amd64
CurrentDesktop: GNOME
Date: Thu Mar 15 11:23:48 2018
ExecutablePath: /usr/bin/ibus-daemon
InstallationDate: Installed on 2016-08-04 (587 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
ProcCmdline: ibus-daemon --xim --panel disable
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
Signal: 6
SourcePackage: ibus
StacktraceTop:
 g_assertion_message () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_assertion_message_expr () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ()
 ()
 () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
Title: ibus-daemon crashed with SIGABRT in g_assertion_message()
UpgradeStatus: Upgraded to bionic on 2017-12-20 (84 days ago)
UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1545811, 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.