Error: Cannot find module node_modules\@ionic\app-scripts'

[Mehroz12]

I am new at ionic framework while trying to build the app using “ionic serve” I am facing error: Cannot find module node_modules@ionic\app-scripts

Error

$ ionic serve
Error: Cannot find module 'E:\myapp_dwai\myapp_dwai_ap\node_modules\@ionic\app-scripts'
    at Function.Module._resolveFilename (module.js:547:15)
    at Function.Module._load (module.js:474:25)
    at Module.require (module.js:596:17)
    at require (internal/module.js:11:18)
    at Object.<anonymous> (C:\Users\Mehroz\AppData\Roaming\npm\node_modules\ionic\node_modules\@ionic\cli-utils\lib\ionic-angular\app-scripts.js:9:16)    at Generator.next (<anonymous>)
    at C:\Users\Mehroz\AppData\Roaming\npm\node_modules\ionic\node_modules\tslib\tslib.js:107:75
    at new Promise (<anonymous>)


    at Object.__awaiter (C:\Users\Mehroz\AppData\Roaming\npm\node_modules\ionic\node_modules\tslib\tslib.js:103:16)
    at Object.importAppScripts (C:\Users\Mehroz\AppData\Roaming\npm\node_modules\ionic\node_modules\@ionic\cli-utils\lib\ionic-angular\app-scripts.js:7:20)

This is my ionic info

Ionic Info

$ ionic info
[ERROR] Error with .\node_modules\ionic-angular\package.json file: FILE_NOT_FOUND
[ERROR] Error with .\node_modules\@ionic\app-scripts\package.json file: FILE_NOT_FOUND

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

    @ionic/cli-utils  : 1.19.2
    ionic (Ionic CLI) : 3.20.0

global packages:

    cordova (Cordova CLI) : 6.5.0

local packages:

    @ionic/app-scripts : not installed
    Cordova Platforms  : android 6.2.3 browser 4.1.0
    Ionic Framework    : not installed

System:

    Node : v8.11.2
    npm  : 6.1.0
    OS   : Windows 10

Environment Variables:

    ANDROID_HOME : not set

Misc:

    backend : pro

Package.Json file of my projetc

Thanks in advance