SetSheath NullReferenceException

[Krilliac]

System.NullReferenceException
HResult=0x80004003
Message=Object reference not set to an instance of an object.
Source=WorldServer
StackTrace:
at Mangos.World.Handlers.WS_Combat.SetSheath(CharacterObject& objCharacter, SHEATHE_SLOT State) in D:\USB DRIVE\Work\MangosSharp\MangosSharp\Source\Services\Mangos.World\Handlers\WS_Combat.cs:line 1472

[Krilliac]

Occurs after using nullchar command, then trying to attack a creature via melee