There is a lot of spam in the console. What's it?

NullReferenceException
at (wrapper managed-to-native) UnityEngine.Component.get_transform(UnityEngine.Component)
at Oxide.Plugins.PersonalHeli+PersonalHeliComponent.UpdateTargets () [0x000ee] in <bae6458b5e544fe6b01296ca168aa217>:0
at InvokeHandlerBase`1[T].DoTick () [0x00109] in <282066ca75ae45238116c323de557cb1>:0
at InvokeHandlerBase`1[T].LateUpdate () [0x0000c] in <282066ca75ae45238116c323de557cb1>:0