ERROR 2021-10-28 12:06:35,997 [        24]
onizer.Implementation.CalDavRepository`1 . TryDeserializeCalendar         -
Could not deserialize ICalData of
'/SOGo/dav/merma/Calendar/personal/53ad3f7a-ee8c-4e64-9fb0-cc02e073fff0.ics'
.

DEBUG 2021-10-28 12:06:35,999 [        24]
onizer.Implementation.CalDavRepository`1 . TryDeserializeCalendar         -
ICalData:

?BEGIN:VCALENDAR

PRODID:DAVx5/4.0-ose ical4j/3.1.0 (org.lineageos.etar)

VERSION:2.0

BEGIN:VTIMEZONE

TZID:Europe/Vienna

LAST-MODIFIED:20201010T011803Z

BEGIN:DAYLIGHT

TZNAME:CEST

TZOFFSETFROM:+0100

TZOFFSETTO:+0200

DTSTART:19810329T020000

RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU

END:DAYLIGHT

BEGIN:STANDARD

TZNAME:CET

TZOFFSETFROM:+0200

TZOFFSETTO:+0100

DTSTART:19961027T030000

RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU

END:STANDARD

END:VTIMEZONE

BEGIN:VEVENT

DTSTAMP:20211028T091255Z

UID:53ad3f7a-ee8c-4e64-9fb0-cc02e073fff0

SUMMARY:Test22

LOCATION:Test22

DESCRIPTION:Test22

DTSTART;TZID=Europe/Vienna:20211030T070000

DTEND;TZID=Europe/Vienna:20211030T080000

STATUS:CONFIRMED

BEGIN:VALARM

TRIGGER:-PT1H

ACTION:DISPLAY

DESCRIPTION:Test2

END:VALARM

CLASS:PUBLIC

END:VEVENT

END:VCALENDAR

System.ArgumentOutOfRangeException: Der Index lag außerhalb des Bereichs. Er
darf nicht negativ und kleiner als die Sammlung sein.

Parametername: index

   bei System.ThrowHelper.ThrowArgumentOutOfRangeException(ExceptionArgument
argument, ExceptionResource resource)

   bei
CalDavSynchronizer.Implementation.CalDavRepository`1.DeserializeCalendar(Str
ing iCalData, IStringSerializer calendarSerializer)

   bei
CalDavSynchronizer.Implementation.CalDavRepository`1.TryDeserializeCalendar(
String iCalData, IICalendar& calendar, WebResourceName
uriOfCalendarForLogging, IStringSerializer calendarSerializer,
ILoadEntityLogger logger)