Ionic Auth Connect

We have started working on Ionic Auth connect integration with our application.

We are getting below issue while trying to use npminstall@ionic-enterprise/auth.

Kindly suggest the way forward to get rid of this error and way to use this integration @ionic-enterprise/auth in ionic 4 version.

For this please follow the setup instructions in your ionicframework dashboard you need to connect Native key with your App to use enterprise Plugins