Problem with npm start

[nikolakalem]

snapkite-engine@0.1.2 start /home/nikola/testr/snapkite-engine
node app.js

/home/nikola/testr/snapkite-engine/node_modules/node-tweet-stream/lib/twitter.js:28
throw new Error('Oauth credentials required')
^

Error: Oauth credentials required
at new Twitter (/home/nikola/testr/snapkite-engine/node_modules/node-tweet-stream/lib/twitter.js:28:11)
at module.exports (/home/nikola/testr/snapkite-engine/controllers/twitter.js:85:17)
at Object. (/home/nikola/testr/snapkite-engine/app.js:11:33)
at Module._compile (module.js:410:26)
at Object.Module._extensions..js (module.js:417:10)
at Module.load (module.js:344:32)
at Function.Module._load (module.js:301:12)
at Function.Module.runMain (module.js:442:10)
at startup (node.js:136:18)
at node.js:966:3

npm ERR! Linux 4.15.0-29-generic
npm ERR! argv "/usr/bin/nodejs" "/usr/bin/npm" "start"
npm ERR! node v4.2.6
npm ERR! npm v3.5.2
npm ERR! code ELIFECYCLE
npm ERR! snapkite-engine@0.1.2 start: node app.js
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the snapkite-engine@0.1.2 start script 'node app.js'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the snapkite-engine package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! node app.js
npm ERR! You can get information on how to open an issue for this project with:
npm ERR! npm bugs snapkite-engine
npm ERR! Or if that isn't available, you can get their info via:
npm ERR! npm owner ls snapkite-engine
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR! /home/nikola/testr/snapkite-engine/npm-debug.log