Problem Start ionic Application

I have a problem when I start create a new application ionic******

C:\ws\IONIC3>ionic start FirstApp sidemenu
V Creating directory .\FirstApp - done!
V Downloading and extracting sidemenu starter - done!

? Would you like to integrate your new app with Cordova to target native iOS an
d Android? Yes
V Personalizing ionic.config.json and package.json - done!
> ionic integrations enable cordova --quiet
[ERROR] Error with .\FirstApp\node_modules\ionic-angular\package.json file:
[ERROR] Error with .\FirstApp\node_modules@ionic\app-scripts\package.json file:


npm i --save -E @ionic/pro
V Running command - done!
ionic link
Log into your Ionic account
If you don’t have one yet, create yours by running: ionic signup

? Email:

? Password: [hidden]

ionic ssh setup
[ERROR] Command not found: ssh
[WARN] OpenSSH not found on your computer.
Looks like you haven’t configured your SSH settings yet.

? How would you like to connect to Ionic Pro? (Use arrow keys)

Automatically setup new a SSH key pair for Ionic Pro
Use an existing SSH key pair
Skip for now
Ignore this prompt forever

This is my ionic info:

cli packages: (C:\Users\Yassine\AppData\Roaming\npm\node_modules)

@ionic/cli-utils  : 1.19.1
ionic (Ionic CLI) : 3.19.1

global packages:

cordova (Cordova CLI) : 8.0.0

local packages:

@ionic/app-scripts : 3.1.8
Cordova Platforms  : none
Ionic Framework    : ionic-angular 3.9.2


Android SDK Tools : 26.1.1
Node              : v8.9.4
npm               : 5.6.0
OS                : Windows 7

Environment Variables:

ANDROID_HOME : C:\Users\Yassine\AppData\Local\Android\Sdk


backend : pro