ArgumentNullException: Argument cannot be null.
Parameter name: key
System.Collections.Generic.Dictionary`2[System.String,Rambo.Models.HeroModel].get_Item (System.String key) (at /Users/builduser/buildslave/mono-runtime-and-classlibs/build/mcs/class/corlib/System.Collections.Generic/Dictionary.cs:136)
Rambo.Gui.Controllers.Elements.HeroCardElement.Init (Rambo.DataCenter dataCenter, ISharedLogic logic, Rambo.Gui.Controllers.Elements.Data heroData, Rambo.Gui.GuiManager guiManager, Boolean showChangeButton, Boolean showInfoButton) (at Assets/Scripts/Rambo/Gui/Controllers/Elements/HeroCardElement.cs:85)
Rambo.Gui.Controllers.TrainingDialog.OnTabSelected (Rambo.Gui.Controllers.Elements.TrainingDialogTab tab) (at Assets/Scripts/Rambo/Gui/Controllers/TrainingDialog.cs:271)
Rambo.Gui.Controllers.TrainingDialog.SetTab (UnityEngine.Object selectedTabObj) (at Assets/Scripts/Rambo/Gui/Controllers/TrainingDialog.cs:217)
Rambo.Gui.Controllers.TrainingDialog.Init (System.Collections.Generic.List`1 trainingGrounds, Int32 mapItemId) (at Assets/Scripts/Rambo/Gui/Controllers/TrainingDialog.cs:150)
Rambo.Views.TrainingGroundView.OnBuyUnits () (at Assets/Scripts/Rambo/Views/TrainingGroundView.cs:191)
UnityEngine.Events.InvokableCall.Invoke (System.Object[] args) (at C:/buildslave/unity/build/Runtime/Export/UnityEvent.cs:110)
UnityEngine.Events.InvokableCallList.Invoke (System.Object[] parameters) (at C:/buildslave/unity/build/Runtime/Export/UnityEvent.cs:575)
UnityEngine.Events.UnityEventBase.Invoke (System.Object[] parameters) (at C:/buildslave/unity/build/Runtime/Export/UnityEvent.cs:717)
UnityEngine.Events.UnityEvent.Invoke () (at C:/buildslave/unity/build/Runtime/Export/UnityEvent_0.cs:53)
UnityEngine.UI.Button.Press () (at C:/buildslave/unity/build/Extensions/guisystem/UnityEngine.UI/UI/Core/Button.cs:35)
UnityEngine.UI.Button.OnPointerClick (UnityEngine.EventSystems.PointerEventData eventData) (at C:/buildslave/unity/build/Extensions/guisystem/UnityEngine.UI/UI/Core/Button.cs:44)
UnityEngine.EventSystems.ExecuteEvents.Execute (IPointerClickHandler handler, UnityEngine.EventSystems.BaseEventData eventData) (at C:/buildslave/unity/build/Extensions/guisystem/UnityEngine.UI/EventSystem/ExecuteEvents.cs:52)
UnityEngine.EventSystems.ExecuteEvents.Execute[IPointerClickHandler] (UnityEngine.GameObject target, UnityEngine.EventSystems.BaseEventData eventData, UnityEngine.EventSystems.EventFunction`1 functor) (at C:/buildslave/unity/build/Extensions/guisystem/UnityEngine.UI/EventSystem/ExecuteEvents.cs:269)
UnityEngine.EventSystems.StandaloneInputModule:Process()
Plamee.EventSystems.ExtendedStandaloneInputModule:Process()
UnityEngine.EventSystems.EventSystem:Update()