Angular 4.0 + Angularfire 2 Ver 4.0 RC2 :: ERROR in ./~/firebase/app/shared_promise.js

"dependencies": { "@angular/common": "^4.0.0", "@angular/compiler": "^4.0.0", "@angular/core": "^4.0.0", "@angular/forms": "^4.0.0", "@angular/http": "^4.0.0", "@angular/platform-browser": "^4.0.0", "@angular/platform-browser-dynamic": "^4.0.0", "@angular/router": "^4.0.0", "angularfire2": "^4.0.0-rc.0", "core-js": "^2.4.1", "firebase": "^4.0.0", "rxjs": "^5.1.0", "zone.js": "^0.8.4" },

Angular 4.0 + Angularfire 2 Ver 4.0 RC2 :: ERROR in ./~/firebase/app/shared_promise.js promise-polyfill It's about missing dependenciy which could be fixed by installing promise-polyfill by npm.

npm install promise-polyfill --save-exact

Angular 4.0 + Angularfire 2 Ver 4.0 RC2 :: ERROR in ./~/firebase/app/shared_promise.js