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I was trying to clean up old repositories in my system (20.04.4) in order to finally get read of the errors about old repos not having release files.

I discovered that when using Synaptic that I couldn't open the repositories option from the Settings menu. If I try to open Software Properties from the terminal using "software-properties-gtk" I get the following error:

(software-properties-gtk:21925): GLib-GIO-ERROR **: 22:43:26.896: Settings schema 'com.ubuntu.SoftwareProperties' does not contain a key named 'ubuntu-pro-banner-visible' Trace/breakpoint trap (core dumped)"

However, when I open /usr/share/glib-2.0/schemas/com.ubuntu.SoftwareProperties.gschema.xml in Gedit, the key does appear and seems to be formatted correctly.

<?xml version="1.0" encoding="UTF-8"?>
<schemalist>
    <schema id="com.ubuntu.SoftwareProperties" path="/com/ubuntu/SoftwareProperties/">
        <key name="goa-account-id" type="s">
            <default>""</default>
            <summary>Livepatch account id</summary>
            <description>gnome-online-account account id used for livepatch authentication.</description>
        </key>
        <key name="ubuntu-pro-banner-visible" type="b">
            <default>true</default>
            <summary>Ubuntu Pro banner visibility</summary>
            <description>True if the Ubuntu Pro banner should be shown.</description>
        </key>
    </schema>
</schemalist>

All I have done so far to attempt a repair is to reinstall software-properties-common and software-properties-gtk.

Barbarian
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1 Answers1

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The solution I ended up using

Reading this answer https://askubuntu.com/a/1312345/656062 I noticed a comment mentioning software-properties-qt which should be almost the same as software-properties-gtk.

I installed it with sudo apt install software-properties-qt and it works without problems, so maybe that could be an alternative for people who can't get the gtk version to work.

David
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Weetz
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