MongoDB Instal ERR NPM

// fist delete the node_modules folder.
// then reinstall the mongodb package again.
// to avoid loosing other pachages make sure you make a 
// list of every other package you've installed and reinstall them too,
// or run "npm install" this way you'll mostly going to download
// every package you'll need (*it is better if you reinstall every package individualy).
Lively Louse