MissingReferenceException: The object of type 'Transform' has been destroyed but you are still trying to access it.
Your script should either check if it is null or you should not destroy the object.
UnityEngine.Component.GetComponent[T] () (at /Users/builduser/buildslave/unity/build/Runtime/Export/Scripting/Component.bindings.cs:42)
OfficeRiot.TutorialManagement.TutorialPanel.SetupButton (OfficeRiot.TutorialManagement.TutorialStep step, System.Action onClick) (at Assets/Scripts/Management/TutorialManagement/TutorialPanel.cs:72)
OfficeRiot.TutorialManagement.TutorialPanel.Show (System.Action onStepPassed, OfficeRiot.TutorialManagement.TutorialStep step) (at Assets/Scripts/Management/TutorialManagement/TutorialPanel.cs:66)
OfficeRiot.TutorialManagement.TutorialController.ActivateStep () (at Assets/Scripts/Management/TutorialManagement/TutorialController.cs:117)
OfficeRiot.TutorialManagement.TutorialController.CheckCurrentStep (OfficeRiot.TutorialManagement.ConditionType type, OfficeRiot.TutorialManagement.WaitForWhat param) (at Assets/Scripts/Management/TutorialManagement/TutorialController.cs:136)
OfficeRiot.TutorialManagement.TutorialController.OnWaitForWhatSignal (OfficeRiot.TutorialManagement.WaitForWhatSignal args) (at Assets/Scripts/Management/TutorialManagement/TutorialController.cs:98)
Zenject.SignalBus+<>c__DisplayClass31_0`1[TSignal].<SubscribeId>b__0 (System.Object args) (at Assets/Plugins/Zenject/OptionalExtras/Signals/Main/SignalBus.cs:212)
Zenject.SignalSubscription.Invoke (System.Object signal) (at Assets/Plugins/Zenject/OptionalExtras/Signals/Internal/SignalSubscription.cs:75)
Zenject.SignalDeclaration.FireInternal (System.Collections.Generic.List`1[T] subscriptions, System.Object signal) (at Assets/Plugins/Zenject/OptionalExtras/Signals/Internal/SignalDeclaration.cs:129)
Zenject.SignalDeclaration.Fire (System.Object signal) (at Assets/Plugins/Zenject/OptionalExtras/Signals/Internal/SignalDeclaration.cs:97)
Zenject.SignalBus.FireId[TSignal] (System.Object identifier, TSignal signal) (at Assets/Plugins/Zenject/OptionalExtras/Signals/Main/SignalBus.cs:82)
Zenject.SignalBus.Fire[TSignal] (TSignal signal) (at Assets/Plugins/Zenject/OptionalExtras/Signals/Main/SignalBus.cs:87)
OfficeRiot.Gameplay.Stock.StockController.<AfterAppear>b__30_0 () (at Assets/Scripts/Gameplay/Stock/StockController.cs:207)
Helpers.CoroutineManager+<waitForSeconds>d__11.MoveNext () (at Assets/Scripts/Helpers/CoroutineManager.cs:75)
UnityEngine.SetupCoroutine.InvokeMoveNext (System.Collections.IEnumerator enumerator, System.IntPtr returnValueAddress) (at /Users/builduser/buildslave/unity/build/Runtime/Export/Scripting/Coroutines.cs:17)