CalDav sync error with Tasks

Hi all,

I try to sync my tasks via calDav. But as soon as I add an reminder to the task on my device then I get following sync error

Sabre\DAV\Exception\UnsupportedMediaType: HTTP/1.1 415 Validation error in iCalendar: The value type (DATE or DATE-TIME) must be identical for DUE and DTSTART

/www/htdocs/v107019/next/3rdparty/sabre/dav/lib/CalDAV/Plugin.php - line 801: Sabre\CalDAV\Plugin->validateICalendar('BEGIN VCALENDAR...', 'calendars/test/...', false, Object(Sabre\HTTP\Request), Object(Sabre\HTTP\Response), true)
[internal function] Sabre\CalDAV\Plugin->beforeCreateFile('calendars/test/...', 'BEGIN VCALENDAR...', Object(OCA\DAV\CalDAV\Calendar), false)
/www/htdocs/v107019/next/3rdparty/sabre/event/lib/EventEmitterTrait.php - line 105: call_user_func_array(Array, Array)
/www/htdocs/v107019/next/3rdparty/sabre/dav/lib/DAV/Server.php - line 1070: Sabre\Event\EventEmitter->emit('beforeCreateFil...', Array)
/www/htdocs/v107019/next/3rdparty/sabre/dav/lib/DAV/CorePlugin.php - line 525: Sabre\DAV\Server->createFile('calendars/test/...', 'BEGIN VCALENDAR...', NULL)
[internal function] Sabre\DAV\CorePlugin->httpPut(Object(Sabre\HTTP\Request), Object(Sabre\HTTP\Response))
/www/htdocs/v107019/next/3rdparty/sabre/event/lib/EventEmitterTrait.php - line 105: call_user_func_array(Array, Array)
/www/htdocs/v107019/next/3rdparty/sabre/dav/lib/DAV/Server.php - line 479: Sabre\Event\EventEmitter->emit('method PUT', Array)
/www/htdocs/v107019/next/3rdparty/sabre/dav/lib/DAV/Server.php - line 254: Sabre\DAV\Server->invokeMethod(Object(Sabre\HTTP\Request), Object(Sabre\HTTP\Response))
/www/htdocs/v107019/next/apps/dav/lib/Server.php - line 227: Sabre\DAV\Server->exec()
/www/htdocs/v107019/next/apps/dav/appinfo/v2/remote.php - line 30: OCA\DAV\Server->exec()
/www/htdocs/v107019/next/remote.php - line 165: require_once('/www/htdocs/v10...')
{main}

does anybody has an idea what I can do?
It works with owncloud but not with nextcloud.

1 Like

I get this now since early march as well:
started on 2017-03-07T11:58:09+00:00
version:11.0.2.7

Even though there is this Fatal log entry and an error in the application, it still syncs correctly.