error

gistfile1.txt

Exception: {"Message":"This recurrence rule does not generate any valid instances","Code":0,"Trace":"#0 \/var\/www\/owncloud\/3rdparty\/sabre\/vobject\/lib\/Component\/VEvent.php(33): Sabre\\VObject\\Recur\\EventIterator->__construct(Object(Sabre\\VObject\\Component\\VEvent))\n#1 \/var\/www\/owncloud\/3rdparty\/sabre\/dav\/lib\/CalDAV\/CalendarQueryValidator.php(291): Sabre\\VObject\\Component\\VEvent->isInTimeRange(Object(DateTime), Object(DateTime))\n#2 \/var\/www\/owncloud\/3rdparty\/sabre\/dav\/lib\/CalDAV\/CalendarQueryValidator.php(79): Sabre\\CalDAV\\CalendarQueryValidator->validateTimeRange(Object(Sabre\\VObject\\Component\\VEvent), Object(DateTime), NULL)\n#3 \/var\/www\/owncloud\/3rdparty\/sabre\/dav\/lib\/CalDAV\/CalendarQueryValidator.php(41): Sabre\\CalDAV\\CalendarQueryValidator->validateCompFilters(Object(Sabre\\VObject\\Component\\VCalendar), Array)\n#4 \/var\/www\/owncloud\/3rdparty\/sabre\/dav\/lib\/CalDAV\/Backend\/AbstractBackend.php(145): Sabre\\CalDAV\\CalendarQueryValidator->validate(Object(Sabre\\VObject\\Component\\VCalendar), Array)\n#5 \/var\/www\/owncloud\/3rdparty\/sabre\/dav\/lib\/CalDAV\/Backend\/AbstractBackend.php(115): Sabre\\CalDAV\\Backend\\AbstractBackend->validateFilterForObject(Array, Array)\n#6 \/var\/www\/owncloud\/3rdparty\/sabre\/dav\/lib\/CalDAV\/Calendar.php(427): Sabre\\CalDAV\\Backend\\AbstractBackend->calendarQuery('14', Array)\n#7 \/var\/www\/owncloud\/3rdparty\/sabre\/dav\/lib\/CalDAV\/Plugin.php(635): Sabre\\CalDAV\\Calendar->calendarQuery(Array)\n#8 \/var\/www\/owncloud\/3rdparty\/sabre\/dav\/lib\/CalDAV\/Plugin.php(232): Sabre\\CalDAV\\Plugin->calendarQueryReport(Object(DOMDocument))\n#9 [internal function]: Sabre\\CalDAV\\Plugin->report('{urn:ietf:param...', Object(DOMDocument), 'calendars\/elain...')\n#10 \/var\/www\/owncloud\/3rdparty\/sabre\/event\/lib\/EventEmitterTrait.php(105): call_user_func_array(Array, Array)\n#11 \/var\/www\/owncloud\/3rdparty\/sabre\/dav\/lib\/DAV\/CorePlugin.php(705): Sabre\\Event\\EventEmitter->emit('report', Array)\n#12 [internal function]: Sabre\\DAV\\CorePlugin->httpReport(Object(Sabre\\HTTP\\Request), Object(Sabre\\HTTP\\Response))\n#13 \/var\/www\/owncloud\/3rdparty\/sabre\/event\/lib\/EventEmitterTrait.php(105): call_user_func_array(Array, Array)\n#14 \/var\/www\/owncloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Server.php(469): Sabre\\Event\\EventEmitter->emit('method:REPORT', Array)\n#15 \/var\/www\/owncloud\/3rdparty\/sabre\/dav\/lib\/DAV\/Server.php(254): Sabre\\DAV\\Server->invokeMethod(Object(Sabre\\HTTP\\Request), Object(Sabre\\HTTP\\Response))\n#16 \/var\/www\/owncloud\/apps\/calendar\/appinfo\/remote.php(57): Sabre\\DAV\\Server->exec()\n#17 \/var\/www\/owncloud\/remote.php(132): require_once('\/var\/www\/ownclo...')\n#18 {main}","File":"\/var\/www\/owncloud\/3rdparty\/sabre\/vobject\/lib\/Recur\/EventIterator.php","Line":199}