版本：2.4.3
项目突然打不开，一直在加载资源中。。。 按照论坛方法ctrl+r 能打开，但是所有脚本都不能用了，也不能添加用户脚本。
把temp，local和library三个文件夹删掉后可以打开了，但是有个场景打不开，报错如下，求大佬帮助：
TypeError: Cannot read property ‘_activeInHierarchy’ of null
at CCClass.cc.Class.activateComp (/Applications/CocosCreator/Creator/2.4.3/CocosCreator.app/Contents/Resources/engine/bin/.cache/dev/cocos2d/core/node-activator.js:327:45)
at CCClass._activateNodeRecursively (/Applications/CocosCreator/Creator/2.4.3/CocosCreator.app/Contents/Resources/engine/bin/.cache/dev/cocos2d/core/node-activator.js:191:14)
at CCClass._activateNodeRecursively (/Applications/CocosCreator/Creator/2.4.3/CocosCreator.app/Contents/Resources/engine/bin/.cache/dev/cocos2d/core/node-activator.js:207:14)
at CCClass.activateNode (/Applications/CocosCreator/Creator/2.4.3/CocosCreator.app/Contents/Resources/engine/bin/.cache/dev/cocos2d/core/node-activator.js:264:12)
at cc_Scene._activate (/Applications/CocosCreator/Creator/2.4.3/CocosCreator.app/Contents/Resources/engine/bin/.cache/dev/cocos2d/core/CCScene.js:114:32)
at cc.Director.runSceneImmediate (/Applications/CocosCreator/Creator/2.4.3/CocosCreator.app/Contents/Resources/engine/bin/.cache/dev/cocos2d/core/CCDirector.js:492:11)
at /Applications/CocosCreator/Creator/2.4.3/CocosCreator.app/Contents/Resources/app.asar/editor/page/scene-utils/utils/scene.js:1:4180
at /Applications/CocosCreator/Creator/2.4.3/CocosCreator.app/Contents/Resources/engine/bin/.cache/dev/cocos2d/core/platform/utils.js:74:9
at processTicksAndRejections (internal/process/task_queues.js:79:9)