NullReferenceException: Object reference not set to an instance of an object OfficeRiot.Gameplay.Stock.StockController+d__17.MoveNext () (at Assets/Scripts/Gameplay/Stock/StockController.cs:90) UnityEngine.SetupCoroutine.InvokeMoveNext (System.Collections.IEnumerator enumerator, System.IntPtr returnValueAddress) (at /Users/builduser/buildslave/unity/build/Runtime/Export/Scripting/Coroutines.cs:17)