ReferenceError: _Scene is not defined
at Object. (/Applications/CocosCreator.app/Contents/Resources/app.asar/editor/page/scene-utils/node-utils.js:1:3312)
at Module._compile (module.js:556:32)
at Object.Module._extensions…js (module.js:565:10)
at Module.load (module.js:473:32)
at tryModuleLoad (module.js:432:12)
at Function.Module._load (module.js:424:3)
at Module.require (module.js:483:17)
at require (internal/module.js:20:19)
at Object.Editor.require (/Applications/CocosCreator.app/Contents/Resources/app.asar/share/protocol/protocol.js:1:1206)
at Object. (/Applications/CocosCreator.app/Contents/Resources/app.asar/editor/page/scene-utils/missing-class-reporter.js:1:1304)
添加animation时报错 不知道如何解决 ，thanks