Xml Points System Crash

[Doom]

Crashing when trying to challenge i have done all the installations.

Exception:
System.NullReferenceException: Object reference not set to an instance of an object.
at Server.Spells.SpellHelper.CheckTravel(Mobile caster, Map map, Point3D loc, TravelCheckType type) in c:\Users\CODY\Desktop\Ultima Online\DoomsDay\Scripts\Spells\Base\SpellHelper.cs:line 781

at Server.Spells.SpellHelper.CheckTravel(Map map, Point3D loc, TravelCheckType type) in c:\Users\CODY\Desktop\Ultima Online\DoomsDay\Scripts\Spells\Base\SpellHelper.cs:line 734

at Server.Engines.XmlSpawner2.XmlPoints.IssueChallengeGump..ctor(Mobile from, Mobile target) in c:\Users\CODY\Desktop\Ultima Online\DoomsDay\Scripts\Services\XmlSpawner\XMLSpawner Extras\XmlPoints\Attachments\XmlPoints.cs:line 2940

at Server.Engines.XmlSpawner2.XmlPoints.ChallengeTarget.OnTarget(Mobile from, Object targeted) in c:\Users\CODY\Desktop\Ultima Online\DoomsDay\Scripts\Services\XmlSpawner\XMLSpawner Extras\XmlPoints\Attachments\XmlPoints.cs:line 1450

at Server.Targeting.Target.Invoke(Mobile from, Object targeted) in c:\Users\CODY\Desktop\Ultima Online\DoomsDay\Server\Targeting\Target.cs:line 269

at Server.Network.PacketHandlers.TargetResponse(NetState state, PacketReader pvSrc) in c:\Users\CODY\Desktop\Ultima Online\DoomsDay\Server\Network\PacketHandlers.cs:line 1357
at Server.Network.MessagePump.HandleReceive(NetState ns) in c:\Users\CODY\Desktop\Ultima Online\DoomsDay\Server\Network\MessagePump.cs:line 187

at Server.Network.MessagePump.Slice() in c:\Users\CODY\Desktop\Ultima Online\DoomsDay\Server\Network\MessagePump.cs:line 121

at Server.Core.Main(String[] args) in c:\Users\CODY\Desktop\Ultima Online\DoomsDay\Server\Main.cs:line 569