title: Error occurred during command execution from a CLI plugin @ionic/cli-plugin-cordova Your plugins may be out of date
body: <p>there is run time error in ionic 3 cli ionic cordova run android. when i install angularfire2 cant build this project.</p>
  
  <blockquote>
    <p>[10:25:54]  webpack started ...
    [WARN] Error occurred during command execution from a CLI plugin (@ionic/cli-plugin-cordova). Your
           plugins may be out of date.
    Error: ./~/firebase/app/shared_promise.js
    Module not found: Error: Can't resolve 'promise-polyfill' in 'D:\ReactiveSpace\june\Ionic\Littldfde\no
    de_modules\firebase\app'
    resolve 'promise-polyfill' in 'D:\ReactiveSpace\june\Ionic\Littldfde\node_modules\firebase\app'
      Parsed request is a module
      using description file: D:\ReactiveSpace\june\Ionic\Littldfde\node_modules\firebase\package.json (re
    lative path: ./app)
        Field 'browser' doesn't contain a valid alias configuration
      after using description file: D:\ReactiveSpace\june\Ionic\Littldfde\node_modules\firebase\package.js
    on (relative path: ./app)
        resolve as module
          looking for modules in D:\ReactiveSpace\june\Ionic\Littldfde\node_modules
            using description file: D:\ReactiveSpace\june\Ionic\Littldfde\package.json (relative path: ./n
    ode_modules)
              Field 'browser' doesn't contain a valid alias configuration
            after using description file: D:\ReactiveSpace\june\Ionic\Littldfde\package.json (relative pat
    h: ./node_modules)
              using description file: D:\ReactiveSpace\june\Ionic\Littldfde\package.json (relative path: .
    /node_modules/promise-polyfill)
                as directory
                  D:\ReactiveSpace\june\Ionic\Littldfde\node_modules\promise-polyfill doesn't exist
                no extension
                  Field 'browser' doesn't contain a valid alias configuration</p>
  </blockquote>