DefualtCombat and Bounty Hunter - Shield Tech Error casting Guard

[russ1979]

It's not happy with casting Guard keeps trying to target itself

2016-03-03 14:09:49,869 [Main Bot Thread] INFO Log - [DefaultCombat] >> Casting << Guard
2016-03-03 14:09:49,975 [Main Bot Thread] ERROR Log - Engine class is null, TorObject may no longer be valid!
2016-03-03 14:09:49,976 [Main Bot Thread] ERROR Log - System.Exception: DbOffset is Zero.
at ?????????????????????????????????????????.?????????????????????????????????????????.?????????????????????????????????????????[
](UInt64 , HeroType )
at Buddy.Swtor.Objects.TorObject.GetField[T](DomFieldIds field, HeroType forcedType)
at Buddy.Swtor.Objects.TorCharacter.get_Health()
at Buddy.Swtor.Objects.TorCharacter.get_IsDead()
at Buddy.Swtor.Objects.TorNpc.get_IsLootable()
at Buddy.CommonBot.DefaultLootTargetingProvider.?????????????????????????????????????????.?????????????????????????????????????????(TorNpc )
at System.Linq.Enumerable.<>c__DisplayClassf`1.<CombinePredicates>b__e(TSource x)
at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
at Buddy.CommonBot.DefaultLootTargetingProvider.GetObjectsByWeight()
at Buddy.CommonBot.Targeting.Pulse()
at Buddy.CommonBot.Logic.BrainBehavior.?????????????????????????????????????????()
2016-03-03 14:09:49,995 [Main Bot Thread] INFO Log - [DefaultCombat] >> Casting << Guard
2016-03-03 14:09:50,131 [Main Bot Thread] INFO Log - [DefaultCombat] >> Casting << Guard
2016-03-03 14:09:50,233 [Main Bot Thread] INFO Log - [DefaultCombat] >> Casting << Guard