TypeError: Cannot read property 'name' of undefined

开个预设就报这个错,1.9.1之后的版本都会再不行只能再回到之前版本了
TypeError: Cannot read property ‘name’ of undefined
at mnodes.t.map.e (/Applications/CocosCreator.app/Contents/Resources/app.asar/editor/builtin/timeline/panel/component/home.js:1:3673)
at Array.map (native)
at Vue.updateMNodes (/Applications/CocosCreator.app/Contents/Resources/app.asar/editor/builtin/timeline/panel/component/home.js:1:3646)
at Vue.updateMNodes (app://bower_components/vue/dist/vue.js:220:72)
at Vue.clip (/Applications/CocosCreator.app/Contents/Resources/app.asar/editor/builtin/timeline/panel/component/home.js:1:751)
at Watcher.run (app://bower_components/vue/dist/vue.js:3459:17)
at runBatcherQueue (app://bower_components/vue/dist/vue.js:3190:13)
at Array.flushBatcherQueue (app://bower_components/vue/dist/vue.js:3161:5)
at nextTickHandler (app://bower_components/vue/dist/vue.js:451:16)
at TypeError: Cannot read property ‘name’ of undefined
at mnodes.t.map.e (/Applications/CocosCreator.app/Contents/Resources/app.asar/editor/builtin/timeline/panel/component/home.js:1:3673)
at Array.map (native)
at Vue.updateMNodes (/Applications/CocosCreator.app/Contents/Resources/app.asar/editor/builtin/timeline/panel/component/home.js:1:3646)
at Vue.updateMNodes (app://bower_components/vue/dist/vue.js:220:72)
at Vue.clip (/Applications/CocosCreator.app/Contents/Resources/app.asar/editor/builtin/timeline/panel/component/home.js:1:751)
at Watcher.run (app://bower_components/vue/dist/vue.js:3459:17)
at runBatcherQueue (app://bower_components/vue/dist/vue.js:3190:13)
at Array.flushBatcherQueue (app://bower_components/vue/dist/vue.js:3161:5)
at nextTickHandler (app://bower_components/vue/dist/vue.js:451:16)
at
at mnodes.t.map.e (/Applications/CocosCreator.app/Contents/Resources/app.asar/editor/builtin/timeline/panel/component/home.js:1:3673)
at Array.map (native)
at Vue.updateMNodes (/Applications/CocosCreator.app/Contents/Resources/app.asar/editor/builtin/timeline/panel/component/home.js:1:3646)
at Vue.updateMNodes (app://bower_components/vue/dist/vue.js:220:72)
at Vue.clip (/Applications/CocosCreator.app/Contents/Resources/app.asar/editor/builtin/timeline/panel/component/home.js:1:751)
at Watcher.run (app://bower_components/vue/dist/vue.js:3459:17)
at runBatcherQueue (app://bower_components/vue/dist/vue.js:3190:13)
at Array.flushBatcherQueue (app://bower_components/vue/dist/vue.js:3161:5)
at nextTickHandler (app://bower_components/vue/dist/vue.js:451:16)
at

你好~
想请问下下是打开预设 prefab 资源就直接报错么?
能不能把这个资源发给我们吖,我这边尝试了打开自带动画的预设,打开不自带动画的预设,都没有重现这个问题哦,可能和你本地的预设资源结构相关,谢谢你的反馈啦。

工程是从老版本升级到2.0.1的,老版本有prefab,然后复制了一个工程中的prefab,再打开复制的这个,替换了一张纹理,再打开场景就有这个错误