unity-tweak-tool crashed with signal 5 in g_settings_get_value()

[rajesh]

unity tweak tool is not opening.the error is -"(unity-tweak-tool:28232): GLib-GIO-ERROR **: 00:28:09.243: Settings schema 'org.gnome.settings-daemon.plugins.xsettings' does not contain a key named 'antialiasing'
Trace/breakpoint trap (core dumped)"

ProblemType: Crash
DistroRelease: Ubuntu 21.10
Package: unity-tweak-tool 0.0.7+-0ubuntu6
ProcVersionSignature: Ubuntu 5.13.0-16.16-generic 5.13.13
Uname: Linux 5.13.0-16-generic x86_64
ApportVersion: 2.20.11-0ubuntu69
Architecture: amd64
CasperMD5CheckResult: pass
CrashCounter: 1
Date: Sun Sep 26 21:48:51 2021
ExecutablePath: /usr/bin/unity-tweak-tool
InstallationDate: Installed on 2021-09-26 (0 days ago)
InstallationMedia: Ubuntu 21.10 "Impish Indri" - Beta amd64 (20210924)
InterpreterPath: /usr/bin/python3.9
PackageArchitecture: all
ProcCmdline: /usr/bin/python3 /usr/bin/unity-tweak-tool
ProcEnviron:
 LANGUAGE=en_IN:en
 PATH=(custom, no user)
 LANG=en_IN
 SHELL=/bin/bash
Python3Details: /usr/bin/python3.9, Python 3.9.7, python3-minimal, 3.9.4-1
PythonDetails: N/A
Signal: 5
SourcePackage: unity-tweak-tool
StacktraceTop:
 ?? () from /lib/x86_64-linux-gnu/libgio-2.0.so.0
 g_settings_get_value () from /lib/x86_64-linux-gnu/libgio-2.0.so.0
 g_settings_get_string () from /lib/x86_64-linux-gnu/libgio-2.0.so.0
 ?? () from /lib/x86_64-linux-gnu/libffi.so.8
 ?? () from /lib/x86_64-linux-gnu/libffi.so.8
Title: unity-tweak-tool crashed with signal 5 in g_settings_get_value()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: N/A
separator:

[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 #1945117, 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.