运行时删除BarChart后报错

[wmqKevin]

当我在运行时删除BarChart后报错如下：
MissingReferenceException: The object of type 'CanvasRenderer' 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.
at (wrapper managed-to-native) UnityEngine.CanvasRenderer.get_cull(UnityEngine.CanvasRenderer)
at UnityEngine.UI.GraphicRaycaster.Raycast (UnityEngine.Canvas canvas, UnityEngine.Camera eventCamera, UnityEngine.Vector2 pointerPosition, System.Collections.Generic.IList1[T] foundGraphics, System.Collections.Generic.List1[T] results) [0x00018] in G:\MZLU3D\Doctor-U_HDRP\Library\PackageCache\[email protected]\Runtime\UI\Core\GraphicRaycaster.cs:335
at UnityEngine.UI.GraphicRaycaster.Raycast (UnityEngine.EventSystems.PointerEventData eventData, System.Collections.Generic.List1[T] resultAppendList) [0x00329] in G:\MZLU3D\Doctor-U_HDRP\Library\PackageCache\[email protected]\Runtime\UI\Core\GraphicRaycaster.cs:236 at UnityEngine.EventSystems.EventSystem.RaycastAll (UnityEngine.EventSystems.PointerEventData eventData, System.Collections.Generic.List1[T] raycastResults) [0x0003f] in G:\MZLU3D\Doctor-U_HDRP\Library\PackageCache\[email protected]\Runtime\EventSystem\EventSystem.cs:263
at UnityEngine.EventSystems.PointerInputModule.GetMousePointerEventData (System.Int32 id) [0x000a3] in G:\MZLU3D\Doctor-U_HDRP\Library\PackageCache\[email protected]\Runtime\EventSystem\InputModules\PointerInputModule.cs:295
at UnityEngine.EventSystems.StandaloneInputModule.ProcessMouseEvent (System.Int32 id) [0x00001] in G:\MZLU3D\Doctor-U_HDRP\Library\PackageCache\[email protected]\Runtime\EventSystem\InputModules\StandaloneInputModule.cs:540
at UnityEngine.EventSystems.StandaloneInputModule.ProcessMouseEvent () [0x00001] in G:\MZLU3D\Doctor-U_HDRP\Library\PackageCache\[email protected]\Runtime\EventSystem\InputModules\StandaloneInputModule.cs:526
at UnityEngine.EventSystems.StandaloneInputModule.Process () [0x0003e] in G:\MZLU3D\Doctor-U_HDRP\Library\PackageCache\[email protected]\Runtime\EventSystem\InputModules\StandaloneInputModule.cs:280
at UnityEngine.EventSystems.EventSystem.Update () [0x000f6] in G:\MZLU3D\Doctor-U_HDRP\Library\PackageCache\[email protected]\Runtime\EventSystem\EventSystem.cs:501

[monitor1394]

v3.8.0已处理