BB Error

Exception drawing Naera: System.NullReferenceException: Object reference not set to an instance of an object
  at RimWorld.PawnWoundDrawer.<WriteCache>g__GetDefaultAnchor|7_2 (UnityEngine.Vector3& anchorOffset, System.Single& range, RimWorld.PawnWoundDrawer+<>c__DisplayClass7_0& ) [0x00000] in <b3714756cc77449b8a338506fd9aedbb>:0
  at RimWorld.PawnWoundDrawer.WriteCache (RimWorld.PawnOverlayDrawer+CacheKey key, System.Collections.Generic.List`1[T] writeTarget) [0x005f4] in <b3714756cc77449b8a338506fd9aedbb>:0
  at RimWorld.PawnOverlayDrawer.RenderPawnOverlay (UnityEngine.Vector3 drawLoc, UnityEngine.Mesh bodyMesh, UnityEngine.Quaternion quat, System.Boolean drawNow, RimWorld.PawnOverlayDrawer+OverlayLayer layer, Verse.Rot4 pawnRot, System.Nullable`1[T] overApparel) [0x00024] in <b3714756cc77449b8a338506fd9aedbb>:0
  at Verse.PawnRenderer.RenderPawnInternal (UnityEngine.Vector3 rootLoc, System.Single angle, System.Boolean renderBody, Verse.Rot4 bodyFacing, Verse.RotDrawMode bodyDrawType, Verse.PawnRenderFlags flags) [0x002aa] in <b3714756cc77449b8a338506fd9aedbb>:0
  at Verse.PawnRenderer.RenderPawnAt (UnityEngine.Vector3 drawLoc, System.Nullable`1[T] rotOverride, System.Boolean neverAimWeapon) [0x001d8] in <b3714756cc77449b8a338506fd9aedbb>:0
  at Verse.Pawn_DrawTracker.DrawAt (UnityEngine.Vector3 loc) [0x00000] in <b3714756cc77449b8a338506fd9aedbb>:0
  at Verse.Pawn.DrawAt (UnityEngine.Vector3 drawLoc, System.Boolean flip) [0x00006] in <b3714756cc77449b8a338506fd9aedbb>:0
  at Verse.Thing.Draw () [0x00015] in <b3714756cc77449b8a338506fd9aedbb>:0
  at Verse.ThingWithComps.Draw () [0x0000e] in <b3714756cc77449b8a338506fd9aedbb>:0
  at Verse.DynamicDrawManager.DrawDynamicThings () [0x000d8] in <b3714756cc77449b8a338506fd9aedbb>:0
UnityEngine.StackTraceUtility:ExtractStackTrace ()
Verse.Log:Error (string)
Verse.DynamicDrawManager:DrawDynamicThings ()
Verse.Map:MapUpdate ()
Verse.Game:UpdatePlay ()
Verse.Root_Play:Update ()