Trying to add Iron:UnitType quantity but units dictionary already has key Iron with unit type:mass

  at UnityEngine.Debug.LogError (System.Object message) [0x00000] in <9fe2cbebfa394c8da6af069ec8cc9ef4>:0 
  at Debug.LogError (System.Object obj) [0x00000] in <53ba8544b0394db88dcaac034e1fe553>:0 
  at AllResourcesScreen.SpawnCategoryRow (Tag categoryTag, GameUtil+MeasureUnit unit) [0x00000] in <1fe956de25214c5080ceb4d7f814c847>:0 
  at AllResourcesScreen.SpawnRows () [0x00000] in <1fe956de25214c5080ceb4d7f814c847>:0 
  at AllResourcesScreen.Populate (System.Object data) [0x00000] in <1fe956de25214c5080ceb4d7f814c847>:0 
  at AllResourcesScreen.<Init>b__16_0 (Tag a, Tag b) [0x00000] in <1fe956de25214c5080ceb4d7f814c847>:0 
  at DiscoveredResources.Discover (Tag tag, Tag categoryTag) [0x00000] in <1fe956de25214c5080ceb4d7f814c847>:0 
  at WorldInventory.OnAddedFetchable (System.Object data) [0x00000] in <1fe956de25214c5080ceb4d7f814c847>:0 
  at EventSystem.Trigger (UnityEngine.GameObject go, System.Int32 hash, System.Object data) [0x00000] in <53ba8544b0394db88dcaac034e1fe553>:0 
  at KMonoBehaviour.Trigger (System.Int32 hash, System.Object data) [0x00000] in <53ba8544b0394db88dcaac034e1fe553>:0 
  at FetchableMonitor+Instance.RegisterFetchable () [0x00000] in <1fe956de25214c5080ceb4d7f814c847>:0 
  at FetchableMonitor+<>c.<InitializeStates>b__3_0 (FetchableMonitor+Instance smi) [0x00000] in <1fe956de25214c5080ceb4d7f814c847>:0 
  at StateMachine`4+GenericInstance[StateMachineType,StateMachineInstanceType,MasterType,DefType].ExecuteActions (StateMachine`4+State[StateMachineType,StateMachineInstanceType,MasterType,DefType] state, System.Collections.Generic.List`1[T] actions) [0x00000] in <1fe956de25214c5080ceb4d7f814c847>:0 
  at StateMachine`4+GenericInstance[StateMachineType,StateMachineInstanceType,MasterType,DefType].PushState (StateMachine+BaseState state) [0x00000] in <1fe956de25214c5080ceb4d7f814c847>:0 
  at StateMachine`4+GenericInstance[StateMachineType,StateMachineInstanceType,MasterType,DefType].GoTo (StateMachine+BaseState base_state) [0x00000] in <1fe956de25214c5080ceb4d7f814c847>:0 
  at GameStateMachine`4+EventTransitionData[StateMachineType,StateMachineInstanceType,MasterType,DefType].ExecuteTransition (StateMachineInstanceType smi) [0x00000] in <1fe956de25214c5080ceb4d7f814c847>:0 
  at GameStateMachine`4+EventTransitionData[StateMachineType,StateMachineInstanceType,MasterType,DefType].Evaluate (StateMachineInstanceType smi) [0x00000] in <1fe956de25214c5080ceb4d7f814c847>:0 
  at StateMachine`4+GenericInstance[StateMachineType,StateMachineInstanceType,MasterType,DefType].PushState (StateMachine+BaseState state) [0x00000] in <1fe956de25214c5080ceb4d7f814c847>:0 
  at StateMachine`4+GenericInstance[StateMachineType,StateMachineInstanceType,MasterType,DefType].GoTo (StateMachine+BaseState base_state) [0x00000] in <1fe956de25214c5080ceb4d7f814c847>:0 
  at StateMachine+Instance.StartSM () [0x00000] in <1fe956de25214c5080ceb4d7f814c847>:0 
  at StateMachine`4+GenericInstance[StateMachineType,StateMachineInstanceType,MasterType,DefType].StartSM () [0x00000] in <1fe956de25214c5080ceb4d7f814c847>:0 
  at Pickupable.OnSpawn () [0x00000] in <1fe956de25214c5080ceb4d7f814c847>:0 
  at KMonoBehaviour.Spawn () [0x00000] in <53ba8544b0394db88dcaac034e1fe553>:0 
  at KMonoBehaviour.Start () [0x00000] in <53ba8544b0394db88dcaac034e1fe553>:0 
Build: U41-497575-SD