I am looking for a way to resolve the error.
21:07:39 [INFO]: pipeline/post-process/blit-screen|vs|fs compile succeed.
21:07:42 [ERROR]: [ERROR] file /Applications/Cocos/Creator/3.8.4/CocosCreator.app/Contents/Resources/resources/3d/engine/native/cocos/renderer/gfx-metal/MTLUtils.mm: line 751
21:07:42 [ERROR]: Invalid pixel format 0
21:07:42 [WARN]: Attribute a_normal is missing, add a dummy data for it.
21:07:42 [WARN]: Attribute a_tangent is missing, add a dummy data for it.