NPM — npm start Error: ENOSPC: System limit for number of file watchers reached

If you are facing this error once you are trying to execute npm start, it’s because of your `max_user_watches` was reached the maximum number. Simply you can increase the `max_user_watches` by running this command :

$ echo fs.inotify.max_user_watches=288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p

And then you can run npm start again, and voila :