Installation Issue using NPM

[nick-yadav]

Unable to install using NPM on Windows. Getting this error:

npm install feature-viewer
npm WARN deprecated bower@1.8.8: We don't recommend using Bower for new projects. Please consider Yarn and Webpack or Parcel. You can read how to migrate legacy project here: https://bower.io/blog/2017/how-to-migrate-away-from-bower/
npm ERR! Unexpected end of JSON input while parsing near '..."sections":"^0.1.10",'

Please suggest what I am doing wrong.