appstreamcli crashed with signal 5 in g_variant_new_parsed_va()

[Chaostya]

sudo apt update

ProblemType: Crash
DistroRelease: Ubuntu 18.10
Package: appstream 0.12.2-1
Uname: Linux 4.18.0-041800-generic x86_64
ApportVersion: 2.20.10-0ubuntu7
Architecture: amd64
Date: Sun Aug 19 02:36:20 2018
ExecutablePath: /usr/bin/appstreamcli
InstallationDate: Installed on 2018-06-09 (70 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
ProcCmdline: appstreamcli refresh-cache
Signal: 5
SourcePackage: appstream
StacktraceTop:
 g_variant_new_parsed_va () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_variant_builder_add_parsed () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libappstream.so.4
 ?? () from /usr/lib/x86_64-linux-gnu/libappstream.so.4
 as_cache_file_save () from /usr/lib/x86_64-linux-gnu/libappstream.so.4
Title: appstreamcli crashed with signal 5 in g_variant_new_parsed_va()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[Apport retracing service (apport)]

StacktraceTop:
 g_variant_new_parsed_va (format=<optimized out>, app=app@entry=0x7ffd6752fcf0) at ../../../../glib/gvariant-parser.c:2475
 g_variant_builder_add_parsed (builder=builder@entry=0x7ffd6752fe50, format=format@entry=0x7fe5ea49f6bf "{'values', %v}") at ../../../../glib/gvariant-parser.c:2580
 as_content_rating_to_variant (content_rating=<optimized out>, builder=builder@entry=0x7ffd6752ffe0) at ../src/as-content-rating.c:510
 as_component_to_variant (cpt=cpt@entry=0x55a7a3a02430, builder=builder@entry=0x55a7a241df20) at ../src/as-component.c:5312
 as_cache_file_save (fname=fname@entry=0x55a7a245fc40 "/var/cache/app-info/gv/en_US.gvz", locale=0x55a7a241e180 "en_US", cpts=cpts@entry=0x55a7a2891900, error=error@entry=0x7ffd67530160) at ../src/as-pool.c:1616

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.