In Mail files created with the German Mail template, in the Inbox or another folder or view, select a Mail, right click an select “Reply → Reply” the followint error message apears: “Invalid or nonexistent document”.
All other actions under “reply” a working - e. g. “Reply with history only”.
In mail files created with the Englsh template, this error does not occur.
Does anyone know what needs to be changed, that this message does not occur?