ERROR: JavaScript error: simulation/ai/petra/headquarters.js line 1906
TypeError: ent.attackRange(...) is undefined
  m.HQ.prototype.isUnderEnemyFire@simulation/ai/petra/headquarters.js:1906:7
  m.HQ.prototype.isDangerousLocation@simulation/ai/petra/headquarters.js:1888:2
  m.HQ.prototype.findDefensiveLocation@simulation/ai/petra/headquarters.js:1201:1
  m.ConstructionPlan.prototype.findGoodPosition@simulation/ai/petra/queueplan-building.js:149:8
  m.ConstructionPlan.prototype.start@simulation/ai/petra/queueplan-building.js:48:6
  m.Queue.prototype.startNext@simulation/ai/petra/queue.js:60:3
  m.QueueManager.prototype.startNextItems@simulation/ai/petra/queueManager.js:417:5
  m.QueueManager.prototype.update@simulation/ai/petra/queueManager.js:449:2
  m.PetraBot.prototype.OnUpdate@simulation/ai/petra/_petrabot.js:125:3
  m.BaseAI.prototype.HandleMessage@simulation/ai/common-api/baseAI.js:81:2