Angular2 - RC6 Updgrade and @angular/common/bundles/common.umd.js/src/facade/lang 404 (Not Found) -

i've upgraded angular2 rc5 application rc6. using quickstart seed project.

after upgrade when run application error

zone.js:101 http://localhost:63342/trips-portal-app/node_modules/@angular/common/bundles/common.umd.js/src/facade/lang 404 (not found) 

complete screenshot of developer tools given below:

am missing something?

after removing bits 1 one application, found error caused angular2-cookie library trying use api angular team has made private in rc6.

issue reported here on github , developer working on it.