Gnome becomes entirely unresponsive after a Menu for a closed window appeared pointing to the menu bar

[Seija K.]

GNOME Shell-Message: 20:18:17.677: Telepathy is not available, chat integration will be disabled.
Gjs-Message: 20:18:18.189: JS WARNING: [/<email address hidden>/appIcons.js 1028]: unreachable code after return statement
Ubuntu AppIndicators-Message: 20:18:19.456: [AppIndicatorSupport-DEBUG] Registering StatusNotifierItem :1.79/org/ayatana/NotificationItem/software_update_available
Ubuntu AppIndicators-Message: 20:18:19.461: [AppIndicatorSupport-DEBUG] Registering StatusNotifierItem :1.79/org/ayatana/NotificationItem/livepatch
GNOME Shell-Message: 20:18:19.742: Error looking up permission: GDBus.Error:org.freedesktop.portal.Error.NotFound: No entry for geolocation

(gnome-shell:21601): mutter-CRITICAL **: 20:18:45.274: meta_window_set_stack_position_no_sync: assertion 'window->stack_position >= 0' failed

Was the error I got after restarting Gnome after it froze when I closed Visual Studio Code but the right-click menu appeared for it after Ubuntu froze for a second because I had regions enabled on my touchpad.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: mutter 3.28.4-0ubuntu18.04.2
ProcVersionSignature: Ubuntu 5.3.0-46.38~18.04.1-generic 5.3.18
Uname: Linux 5.3.0-46-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.14
Architecture: amd64
Date: Mon Apr 6 20:21:15 2020
InstallationDate: Installed on 2020-04-04 (3 days ago)
InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 (20200203.1)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: mutter
UpgradeStatus: No upgrade log present (probably fresh install)