Translations:J3.x:Duplicate usernames cause update issue/4/de From Joomla! Documentation Revision as of 17:14, 10 March 2020 by Hleithner (talk | contribs)(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff) in der Benutzer Tabelle bei einem Upgrade von Joomla 3.9.15 oder älter.