Brak wyświetlania zajętości czasu w thunderberdzie

Server
1

HTTP/1.1 200 OK
Server: nginx/1.10.1
Date: Fri, 02 Sep 2016 07:39:52 GMT
Content-Type: application/xml
Transfer-Encoding: chunked
Connection: keep-alive
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1f2
<?xml version="1.0" encoding="utf-8"?>

  mailto:damian@round.pl

3.7;Could not find principal

Witam,
podczas dodawania zdarzenia w thunderberdzie (lightning), gdy dodaję email kolejnej osoby powinienem dostać informację czy ta osoba jest wolna w tym terminie czy nie, a cały czas wyświetla się, że moje terminy i osób zaproszonych są wolne.

2

Closing as a duplicate of https://central.owncloud.org/t/owncloud-9-1-invite-problem-thunderbird-lightning/2111

Please provide the asked information there instead of creating a new thread.