adding user_url to header no longer works

I am running UM 2.3.2 with the following WordPress version

WordPress 6.0
HP version: 7.4.29.
MySQL version: 10.3.35-MariaDB

I was previously successfully using the code snippets here:

https://wordpress.org/support/topic/profile-page-website-url-logo-with-social-links-in-the-header/

specifically this snippet:

add_filter("um_builtin_all_user_fields","um_092221_website_url_social");
function um_092221_website_url_social( $fields ){

    foreach ( $fields as $field => $args ) {
        if ( isset( $field ) && $field == 'user_url' ) {
            $fields[ $field ]['advanced'] = 'social';
            $fields[ $field ]['icon'] = 'um-faicon-globe';
            $fields[ $field ]['match'] = 'https://';
            $fields[ $field ]['color'] = '#96979a';          
        }
    }
    return $fields;
}

to display the user_url in the header. But after moving from WordPress 5.9 to WordPress 6.0, now all the links include this (preprended before the expected user_url:

<br /><b>Warning</b>: strstr(): Empty needle in <b>/home/ronininstitute/public_html/wp-content/plugins/ultimate-member/includes/um-short-functions.php</b> on line <b>926</b><br />