Object reference not set to an instance of an object

Im trying to run(Xamarin Android - version 19) no fast deployment:
IICalendar russia1 = iCalendar.LoadFromUri(new Uri("http://www.mozilla.org/projects/calendar/caldata/RussiaHolidays.ics"))[0];

And the following exception?

$exception {System.NullReferenceException: Object reference not set to an instance of an object
at DDay.iCal.iCalParser.property (DDay.iCal.Serialization.ISerializationContext,DDay.iCal.ICalendarPropertyListContainer) [0x00098] in c:\w\KU\DDay.iCal\Serialization\iCalendar\iCalParser.cs:850
at DDay.iCal.iCalParser.icalbody (DDay.iCal.Serialization.ISerializationContext,DDay.iCal.IICalendar) [0x00043] in c:\w\KU\DDay.iCal\Serialization\iCalendar\iCalParser.cs:814
at DDay.iCal.iCalParser.icalendar (DDay.iCal.Serialization.ISerializationContext) [0x00026] in c:\w\KU\DDay.iCal\Serialization\iCalendar\iCalParser.cs:788
at DDay.iCal.Serialization.iCalendar.iCalendarSerializer.Deserialize (System.IO.TextReader) [0x0001b] in c:\w\KU\DDay.iCal\Serialization\iCalendar\Serializers\DataTypes\DataTypeSerializer.cs:33
at DDay.iCal.Serialization.iCalendar.SerializerBase.Deserialize (System.IO.Stream,System.Text.Encoding) [0x0001d] in c:\w\KU\DDay.iCal\Serialization\iCalendar\Serializers\DataMapSerializer.cs:57
at DDay.iCal.iCalendar.LoadFromStream (System.IO.Stream,System.Text.Encoding,DDay.iCal.Serialization.ISerializer) [0x00001] in c:\w\KU\DDay.iCal\iCalendar.cs:557
at DDay.iCal.iCalendar.LoadFromStream (System.IO.TextReader,DDay.iCal.Serialization.ISerializer) [0x00001] in c:\w\KU\DDay.iCal\iCalendar.cs:569
at DDay.iCal.iCalendar.LoadFromStream (System.IO.TextReader) [0x00001] in c:\w\KU\DDay.iCal\iCalendar.cs:558
at DDay.iCal.iCalendar.LoadFromUri (System.Type,System.Uri,string,string,System.Net.WebProxy) [0x00001] in c:\w\KU\DDay.iCal\iCalendar.cs:678
at DDay.iCal.iCalendar.LoadFromUri (System.Uri) [0x00001] in c:\w\KU\DDay.iCal\iCalendar.cs:570
at KU.src.network.CalendarControl.getiCal (Android.Content.Context) [0x00028] in c:\w\KU\KU\src\network\CalendarControl.cs:39
at com.kit.ku.presentation.fragments.FragmentCalendar.OnResume () [0x00006] in c:\w\KU\KU\src\presentation\fragments\FragmentCalendar.cs:82
at Android.Support.V4.App.Fragment.n_OnResume (intptr,intptr) <IL 0x0000a, 0x0005c>
at (wrapper dynamic-method) object.16903b5b-0e76-49c5-be6d-45b91f0ffbe8 (intptr,intptr) <IL 0x00011, 0x0001b>
} System.NullReferenceException

Its the same exception as when i use the DDay.iCal from NuGet