scene无法打开

[Scene] Open scene failed: 186229ec-aef2-467d-bb09-0368ee142a70

Error: [Scene] Open scene failed: 186229ec-aef2-467d-bb09-0368ee142a70

at GeneralSceneProxy._loadScene (C:\CocosDashboard_1.2.2\resources.editors\Creator\3.6.1\resources\app.asar\builtin\scene\dist\script\3d\manager\scene\proxy\general-scene-proxy.ccc:1:2185)

at GeneralSceneProxy._open (C:\CocosDashboard_1.2.2\resources.editors\Creator\3.6.1\resources\app.asar\builtin\scene\dist\script\3d\manager\scene\proxy\general-scene-proxy.ccc:1:1255)

at GeneralSceneProxy.open (C:\CocosDashboard_1.2.2\resources.editors\Creator\3.6.1\resources\app.asar\builtin\scene\dist\script\3d\manager\scene\proxy\general-scene-proxy.ccc:1:806)

at GeneralSceneFacade.openScene (C:\CocosDashboard_1.2.2\resources.editors\Creator\3.6.1\resources\app.asar\builtin\scene\dist\script\3d\facade\general-scene-facade.ccc:1:5056)

at SceneFacadeManager.openScene (C:\CocosDashboard_1.2.2\resources.editors\Creator\3.6.1\resources\app.asar\builtin\scene\dist\script\3d\facade\scene-facade-manager.ccc:1:6630)

[Scene] Cannot set property ‘_siblingIndex’ of null

TypeError: Cannot set property ‘_siblingIndex’ of null

at Node._onBatchCreated (C:\CocosDashboard_1.2.2\resources.editors\Creator\3.6.1\resources\resources\3d\engine\bin.cache\dev\editor\bundled\index.js:150970:45)

at Node._onBatchCreated (C:\CocosDashboard_1.2.2\resources.editors\Creator\3.6.1\resources\resources\3d\engine\bin.cache\dev\editor\bundled\index.js:150972:31)

at Scene._onBatchCreated (C:\CocosDashboard_1.2.2\resources.editors\Creator\3.6.1\resources\resources\3d\engine\bin.cache\dev\editor\bundled\index.js:155696:31)

at Scene._load (C:\CocosDashboard_1.2.2\resources.editors\Creator\3.6.1\resources\resources\3d\engine\bin.cache\dev\editor\bundled\index.js:155909:18)

at Director.runSceneImmediate (C:\CocosDashboard_1.2.2\resources.editors\Creator\3.6.1\resources\resources\3d\engine\bin.cache\dev\editor\bundled\index.js:9469:17)

at C:\CocosDashboard_1.2.2\resources.editors\Creator\3.6.1\resources\app.asar\builtin\scene\dist\script\3d\manager\scene\utils.ccc:1:363

at eval (C:\CocosDashboard_1.2.2\resources.editors\Creator\3.6.1\resources\resources\3d\engine\bin.cache\dev\editor\bundled\index.js:98946:9)

at eval (C:\CocosDashboard_1.2.2\resources.editors\Creator\3.6.1\resources\resources\3d\engine\bin.cache\dev\editor\bundled\index.js:158135:9)

帮助解决一下

可以解决打不开的问题,但问题是子节点怎么恢复回来。。