NullReferenceException at NPCPlayerApex.OnKilled

}

(06:49:34) | [event] assets/prefabs/npc/cargo plane/cargo_plane.prefab

(06:51:29) | 6435600[68234/6435600] died (Generic)

(06:51:29) | NullReferenceException: Object reference not set to an instance of an object

(06:51:29) | 7032706[68242/7032706] died (Generic)

(06:51:29) | NullReferenceException: Object reference not set to an instance of an object

(06:51:29) | Invalid Position: scientist_corpse[73305] (1267.9, 92.9, 4000.3) (destroying)

(06:51:29) | 8124360[68250/8124360] died (Generic)

(06:51:29) | NullReferenceException: Object reference not set to an instance of an object

(06:51:29) | 139595[68258/139595] died (Generic)

(06:51:29) | NullReferenceException: Object reference not set to an instance of an object

(06:51:29) | Invalid Position: item_drop_backpack[73322] (1267.9, 92.8, 4000.3) (destroying)

(06:51:29) | Invalid Position: scientist_corpse[73326] (1268.3, 93.0, 4002.0) (destroying)

(06:51:29) | Invalid Position: scientist_corpse[73334] (1273.0, 92.9, 4001.1) (destroying)

(06:51:29) | Invalid Position: item_drop_backpack[73344] (1273.0, 92.8, 4001.1) (destroying)

(06:51:29) | Invalid Position: item_drop_backpack[73342] (1268.3, 92.9, 4002.0) (destroying)

(06:51:30) | 4937626[68266/4937626] died (Generic)

(06:51:30) | NullReferenceException: Object reference not set to an instance of an object

(06:51:30) | Invalid Position: scientist_corpse[73352] (1267.2, 95.2, 4000.7) (destroying)

(06:51:30) | Invalid Position: item_drop_backpack[73358] (1267.2, 95.1, 4000.7) (destroying)

(06:52:04) | {


Why do you display errors?

That isn't the full error, so without knowing the full error it is impossible to know what the issue is.
I am seeing this in the console, could  this be an issue with botspawn or is it default NPCs? I haven't noticed any issues in game, is this something I should be concerned about?
NullReferenceException: Object reference not set to an instance of an object
NPCPlayerApex.OnKilled (HitInfo info) (at <a85cfe9df6984a3b87f0d164ca8d2296>:0) BaseCombatEntity.Die (HitInfo info) (at <a85cfe9df6984a3b87f0d164ca8d2296>:0) BasePlayer.Die (HitInfo info) (at <a85cfe9df6984a3b87f0d164ca8d2296>:0) BasePlayer.OnInvalidPosition () (at <a85cfe9df6984a3b87f0d164ca8d2296>:0) BaseEntity.TransformChanged () (at <a85cfe9df6984a3b87f0d164ca8d2296>:0) BaseEntity.NetworkPositionTick () (at <a85cfe9df6984a3b87f0d164ca8d2296>:0) BasePlayer.MovePosition (UnityEngine.Vector3 newPos) (at <a85cfe9df6984a3b87f0d164ca8d2296>:0) BaseMountable.FixedUpdate () (at <a85cfe9df6984a3b87f0d164ca8d2296>:0)
hey i keep getting them too!! here is my full error from the log. be great if i can figure it out 

1813402[3385845/1813402] died (Generic)
NullReferenceException: Object reference not set to an instance of an object
at NPCPlayerApex.OnKilled (HitInfo info) [0x000de] in :0
at BaseCombatEntity.Die (HitInfo info) [0x00066] in :0
at BasePlayer.Die (HitInfo info) [0x0009f] in :0
at BasePlayer.OnInvalidPosition () [0x00009] in :0
at BaseEntity.TransformChanged () [0x0003b] in :0
at BaseEntity.NetworkPositionTick () [0x0001f] in :0
at BasePlayer.MovePosition (UnityEngine.Vector3 newPos) [0x00018] in :0
at BaseMountable.FixedUpdate () [0x00076] in :0