APACHE CORDOVA device ready screen is coming in IOS device 🙄 🤔

Ionic Framework ionic-v3
25

###ionic build ios throwing follwoing exceptions:

An Error occurred trying to fall back to Cordova-lib execution: TypeError: Cannot read property 'then' of undefined
    at Object.IonicTask.runCordova (/usr/local/lib/node_modules/ionic/lib/ionic/cordova.js:296:21)
    at /usr/local/lib/node_modules/ionic/lib/ionic/cordova.js:162:19
    at _fulfilled (/usr/local/lib/node_modules/ionic/node_modules/q/q.js:787:54)
    at self.promiseDispatch.done (/usr/local/lib/node_modules/ionic/node_modules/q/q.js:816:30)
    at Promise.promise.promiseDispatch (/usr/local/lib/node_modules/ionic/node_modules/q/q.js:749:13)
    at /usr/local/lib/node_modules/ionic/node_modules/q/q.js:557:44
    at flush (/usr/local/lib/node_modules/ionic/node_modules/q/q.js:108:17)
    at nextTickCallbackWith0Args (node.js:433:9)
    at process._tickCallback (node.js:362:13)
Error happened [TypeError: Cannot read property 'then' of undefined]
TypeError: Cannot read property 'then' of undefined
    at Object.IonicTask.runCordova (/usr/local/lib/node_modules/ionic/lib/ionic/cordova.js:296:21)
    at /usr/local/lib/node_modules/ionic/lib/ionic/cordova.js:162:19
    at _fulfilled (/usr/local/lib/node_modules/ionic/node_modules/q/q.js:787:54)
    at self.promiseDispatch.done (/usr/local/lib/node_modules/ionic/node_modules/q/q.js:816:30)
    at Promise.promise.promiseDispatch (/usr/local/lib/node_modules/ionic/node_modules/q/q.js:749:13)
    at /usr/local/lib/node_modules/ionic/node_modules/q/q.js:557:44
    at flush (/usr/local/lib/node_modules/ionic/node_modules/q/q.js:108:17)
    at nextTickCallbackWith0Args (node.js:433:9)
    at process._tickCallback (node.js:362:13)