[LayaAirIDE3]动画烘焙出现报错：Cannot read properties of undefined (reading 'transform')

下面是报错内容：TypeError: Cannot read properties of undefined (reading 'transform')
at g.caculateSkinMatrixData (file:///Applications/Laya/LayaAirIDE309.app/Contents/Resources/app.asar/game.js:2:1730368)
at g.onUpdate (file:///Applications/Laya/LayaAirIDE309.app/Contents/Resources/app.asar/game.js:2:1729946)
at g.onStart (file:///Applications/Laya/LayaAirIDE309.app/Contents/Resources/app.asar/game.js:2:1724666)
at new g (file:///Applications/Laya/LayaAirIDE309.app/Contents/Resources/app.asar/game.js:2:1724030)
at i.bakeAnimation (file:///Applications/Laya/LayaAirIDE309.app/Contents/Resources/app.asar/game.js:2:1731721)
at file:///Applications/Laya/LayaAirIDE309.app/Contents/Resources/app.asar/game.js:2:2076252
at l.onUpdate (file:///Applications/Laya/LayaAirIDE309.app/Contents/Resources/app.asar/game.js:2:1257282)
at file:///Applications/Laya/LayaAirIDE309.app/Contents/Resources/app.asar/game.js:2:1257049
at /Applications/Laya/LayaAirIDE309.app/Contents/Resources/app.asar/sceneEditor.js:2

附件是报错的骨骼文件