while running gulp from cmd
module.js:328 throw err; ^
Error: Cannot find module 'dateformat'
at Function.Module._resolveFilename (module.js:326:15)
at Function.Module._load (module.js:277:25)
at Module.require (module.js:354:17)
at require (internal/module.js:12:17)
at Object. (C:\Users\Npandey\AppData\Roaming\npm\node_modules\gulp\node_modules\gulp-util\index.js:5:9) at Module._compile (module.js:398:26)
at Object.Module._extensions..js (module.js:405:10)
at Module.load (module.js:344:32)
at Function.Module._load (module.js:301:12)
at Module.require (module.js:354:17)
npm install?