Error:

npm WARN client_chat@1.0.0 No repository field.

npm ERR! path /home/fabricio/git/contact-report/node_modules/bitsyntax/node_modules/safe-buffer
npm ERR! code ENOENT
npm ERR! errno -2
npm ERR! syscall rename
npm ERR! enoent ENOENT: no such file or directory, rename '/home/fabricio/git/contact-report/node_modules/bitsyntax/node_modules/safe-buffer' -> '/home/fabricio/git/contact-report/node_modules/express/node_modules/safe-buffer'
npm ERR! enoent This is related to npm not being able to find a file.
npm ERR! enoent 

Solution:

$ rm node_modules -rf
$ rm package-lock.json
$ npm install