Got Stack Overflow while using Dictionary with Byte type key

[centhoang]

StackOverflowException UnityEditor.RetainedMode+<>c.<.cctor>b__0_0 () (at <048d7ee56c5c4cc8ada009ff13759d47>:0) UnityEngine.UIElements.Panel.TimeSinceStartupMs () (at <f67debe1efd242948106f1922bfac1c7>:0) UnityEngine.UIElements.EventBase.LocalInit () (at <f67debe1efd242948106f1922bfac1c7>:0) UnityEngine.UIElements.EventBase.Init () (at <f67debe1efd242948106f1922bfac1c7>:0) UnityEngine.UIElements.EventBase1[T].Init () (at :0)
UnityEngine.UIElements.PointerEventBase1[T].Init () (at <f67debe1efd242948106f1922bfac1c7>:0) UnityEngine.UIElements.PointerUpEvent.Init () (at <f67debe1efd242948106f1922bfac1c7>:0) UnityEngine.UIElements.EventBase1[T].ReleasePooled (T evt) (at :0)
UnityEngine.UIElements.EventBase1[T].Dispose () (at <f67debe1efd242948106f1922bfac1c7>:0) UnityEngine.UIElements.UIElementsUtility.DoDispatch (UnityEngine.UIElements.BaseVisualElementPanel panel) (at <f67debe1efd242948106f1922bfac1c7>:0) UnityEngine.UIElements.UIElementsUtility.UnityEngine.UIElements.IUIElementsUtility.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr, System.Boolean& eventHandled) (at <f67debe1efd242948106f1922bfac1c7>:0) UnityEngine.UIElements.UIEventRegistration.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr) (at <f67debe1efd242948106f1922bfac1c7>:0) UnityEngine.UIElements.UIEventRegistration+<>c.<.cctor>b__1_2 (System.Int32 i, System.IntPtr ptr) (at <f67debe1efd242948106f1922bfac1c7>:0) UnityEngine.GUIUtility.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr, System.Boolean& result) (at <3787173144ff4a19b1a55d5938e19421>:0)