$ ionic browser add crosswalk

Adding crosswalk browser
You are running Cordova CLI 5.1.1 - installing Cordova Android and Crosswalk manually
Downloading: https://github.com/driftyco/cordova-crosswalk-engine/archive/c0.7.1.zip
[=============================]  100%  0.0s

Downloaded cordova-crosswalk-engine
Downloading: https://github.com/driftyco/cordova-android/archive/c0.6.1.zip
[=============================]  100%  0.0s

Finished downloading cordova-android v4.0.x

Altered permissions for Android Paths

Downloaded Cordova Android for Crosswalk
Downloading: https://download.01.org/crosswalk/releases/crosswalk/android/stable/12.41.296.5/arm/crosswalk-webview-12.41.296.5-arm.zip
Downloading: https://download.01.org/crosswalk/releases/crosswalk/android/stable/12.41.296.5/x86/crosswalk-webview-12.41.296.5-x86.zip
[=================            ]  58%  5.6s
Copying over Crosswalk Webview (arm) to the Crosswalk Engine

Finished copying Crosswalk Webview (arm) to the Crosswalk Engine

Copying over Crosswalk Webview (x86) to the Crosswalk Engine

Finished copying Crosswalk Webview (x86) to the Crosswalk Engine

Downloaded Crosswalk webviews
 ✗ 
An error with adding Crosswalk browser occured CordovaError: Current working directory is not a Cordova-based project.

CordovaError: Current working directory is not a Cordova-based project.
    at Object.cdProjectRoot (/Users/zarko/.nvm/v0.12.4/lib/node_modules/ionic/node_modules/ionic-app-lib/node_modules/ionic-cordova-lib/src/cordova/util.js:125:15)
    at Object.platform (/Users/zarko/.nvm/v0.12.4/lib/node_modules/ionic/node_modules/ionic-app-lib/node_modules/ionic-cordova-lib/src/cordova/platform.js:509:36)
    at Object.removePlatform (/Users/zarko/.nvm/v0.12.4/lib/node_modules/ionic/node_modules/ionic-app-lib/lib/cordova.js:221:18)
    at Object.removeAndroidProject (/Users/zarko/.nvm/v0.12.4/lib/node_modules/ionic/node_modules/ionic-app-lib/lib/browser.js:316:18)
    at /Users/zarko/.nvm/v0.12.4/lib/node_modules/ionic/node_modules/ionic-app-lib/lib/browser.js:460:20
    at _fulfilled (/Users/zarko/.nvm/v0.12.4/lib/node_modules/ionic/node_modules/q/q.js:787:54)
    at self.promiseDispatch.done (/Users/zarko/.nvm/v0.12.4/lib/node_modules/ionic/node_modules/q/q.js:816:30)
    at Promise.promise.promiseDispatch (/Users/zarko/.nvm/v0.12.4/lib/node_modules/ionic/node_modules/q/q.js:749:13)
    at /Users/zarko/.nvm/v0.12.4/lib/node_modules/ionic/node_modules/q/q.js:557:44
    at flush (/Users/zarko/.nvm/v0.12.4/lib/node_modules/ionic/node_modules/q/q.js:108:17)
    at process._tickCallback (node.js:355:11)

Current working directory is not a Cordova-based project. (CLI v1.5.3)