Ember JS Getting Error for emberSimpleAuthAuthenticatorsBase.default.extend

Hi When I try to run my application I am getting below error, not able to find a solution for it.

Uncaught TypeError: _emberSimpleAuthAuthenticatorsBase.default.extend is not a function at Module.callback (token.js:23) at Module.exports (loader.js:106) at Module._reify (loader.js:143) at Module.reify (loader.js:130) at Module.exports (loader.js:104) at Module._reify (loader.js:143) at Module.reify (loader.js:130) at Module.exports (loader.js:104) at Module._reify (loader.js:143) at Module.reify (loader.js:130)

I have already added "ember-simple-auth": “^1.1.0”, “ember-simple-auth-token”: "1.1.1" in my dependencies in package.json

below is my ember versions ember-cli: 2.14.2 node: 4.8.4 os: linux x64 Please help

regards