I was searching for «Admin-Bereich / Einstellungen / Tickets / Queues» for a long time. Finally I found out, that «Queues» in German is «Übersichten». I thought «Queues» in German is «Warteschlangen». But ok, never mind. So I went to «Admin-Bereich / Einstellungen / Tickets / Übersichten» and translated the terms manually. This works now. But allow me to say that I find this language localisation handling very hard to get used to.
Thank you for your answer!