error: TypeError: Cannot read property 'gizmo' of null

Creator 2.x
#1

2017-12-05T09:44:57.975Z - error: TypeError: Cannot read property ‘gizmo’ of null
at _updateGizmos (C:\CocosCreator\resources\app.asar\editor\page\scene-utils\engine-events.js:1:1364)
at Array.forEach (native)
at _updateGizmos (C:\CocosCreator\resources\app.asar\editor\page\scene-utils\engine-events.js:1:1441)
at Array.forEach (native)
at TheClass.onPostUpdate (C:\CocosCreator\resources\app.asar\editor\page\scene-utils\engine-events.js:1:1604)
at EventListeners.invoke (C:\CocosCreator\resources\engine\cocos2d\core\event\event-listeners.js:48:26)
at TheClass.proto.emit (C:\CocosCreator\resources\engine\cocos2d\core\event\event-target.js:443:27)
at TheClass.cc.DisplayLinkDirector.cc.Director.extend.mainLoop.CC_EDITOR._purgeDirectorInNextLoop (C:\CocosCreator\resources\engine\cocos2d\core\CCDirector.js:1442:14)
at EditorEngine.tickInEditMode (C:\CocosCreator\resources\app.asar\editor\page\scene-utils\editor-engine\editor-engine.js:1:2664)
at EditorEngine._tick (C:\CocosCreator\resources\app.asar\editor\page\scene-utils\editor-engine\editor-engine.js:1:5719)

#2

无法读取 声明方法不规范么

#3

经过测试 是 场景文件 .fire

“_components”: [
NULL
]

ui编辑器出错 导致节点 里面产生了 null 删除 null 即可

#4

怎么找到 这个null啊