Terminal Alert Sound Misconfigure

[Víctor]

When you press backspace in terminal and you can't go back more, you receive a sound, this sound is configured in the menu Settings/Sound/AlertSound. When you change the sound, it break and next time I can't configure the sound again.

I installed advanced GNOME Tweak from Ubuntu Software to watch the problem and if I go to appearance menu, I can watch Sound = Default, when it is in Default, it works like I configured, but, when the bug appear, this option change to Sound = Personalized (I don't know the exactly words in English I am using Ubuntu 20.04 LTS in spanish).

The problem is that the sound miss the configuration.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-shell 3.36.3-1ubuntu1~20.04.2
ProcVersionSignature: Ubuntu 5.4.0-40.44-generic 5.4.44
Uname: Linux 5.4.0-40-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.4
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sun Jul 19 12:46:08 2020
DisplayManager: gdm3
InstallationDate: Installed on 2020-04-24 (85 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=es_ES.UTF-8
 SHELL=/bin/bash
RelatedPackageVersions: mutter-common 3.36.3-0ubuntu0.20.04.1
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)

[Daniel van Vugt (vanvugt)]

I can't reproduce the problem but also can't see where the custom sound theme is stored. The gsettings for it are just:

  org.gnome.desktop.sound theme-name '__custom'