Exception in DecollisionPlanning.DoEntityFramePlanningLogic_Collision. debug num 3. error:
System.NullReferenceException: Object reference not set to an instance of an object
  at Arcen.AIW2.Core.EntityOrder.GetWormholeToOtherPlanetOrNull (Arcen.AIW2.Core.Planet FromPlanet) [0x00015] in <6080a15270e141cfa7bb3d79f51e7de2>:0 
  at Arcen.AIW2.External.DecollisionPlanning.DoEntityFramePlanningLogic_Collision (Arcen.AIW2.Core.GameEntity_Squad entity) [0x001ab] in <1668cd49a78b42f09c999ada7904dabf>:0 

  at System.Environment.get_StackTrace () [0x00000] in <1f0c1ef1ad524c38bbc5536809c46b48>:0 
  at Arcen.Universal.ArcenDebugging.ArcenDebugLog (System.String Message, Arcen.Universal.DebugLogDestination Destination, System.Boolean IncludeStackTrace, Arcen.Universal.Verbosity Verbosity) [0x00000] in <2135db908b374b6d880d339507c32e24>:0 
  at Arcen.Universal.ArcenDebugging.ArcenDebugLog (System.String Message, Arcen.Universal.DebugLogDestination Destination, Arcen.Universal.Verbosity Verbosity) [0x00000] in <2135db908b374b6d880d339507c32e24>:0 
  at Arcen.Universal.ArcenDebugging.ArcenDebugLog (System.String Message, Arcen.Universal.Verbosity Verbosity) [0x00000] in <2135db908b374b6d880d339507c32e24>:0 
  at Arcen.AIW2.External.DecollisionPlanning.DoEntityFramePlanningLogic_Collision (Arcen.AIW2.Core.GameEntity_Squad entity) [0x00000] in <1668cd49a78b42f09c999ada7904dabf>:0 
  at Arcen.AIW2.Core.EntityCollection.DoForEntities (Arcen.AIW2.Core.GameEntity_Squad+ProcessorDelegate Processor) [0x00000] in <6080a15270e141cfa7bb3d79f51e7de2>:0 
  at Arcen.AIW2.External.DecollisionPlanning.Execute () [0x00000] in <1668cd49a78b42f09c999ada7904dabf>:0 
  at Arcen.AIW2.External.ArcenSimPlanningContext.InnerRun () [0x00000] in <1668cd49a78b42f09c999ada7904dabf>:0 
  at Arcen.AIW2.External.ArcenThread.InternalActualThreadFunction () [0x00000] in <1668cd49a78b42f09c999ada7904dabf>:0 
  at System.Threading.ThreadHelper.ThreadStart_Context (System.Object state) [0x00000] in <1f0c1ef1ad524c38bbc5536809c46b48>:0 
  at System.Threading.ExecutionContext.RunInternal (System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, System.Object state, System.Boolean preserveSyncCtx) [0x00000] in <1f0c1ef1ad524c38bbc5536809c46b48>:0 
  at System.Threading.ExecutionContext.Run (System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, System.Object state, System.Boolean preserveSyncCtx) [0x00000] in <1f0c1ef1ad524c38bbc5536809c46b48>:0 
  at System.Threading.ExecutionContext.Run (System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, System.Object state) [0x00000] in <1f0c1ef1ad524c38bbc5536809c46b48>:0 
  at System.Threading.ThreadHelper.ThreadStart () [0x00000] in <1f0c1ef1ad524c38bbc5536809c46b48>:0