After deploying the app to heroku, my app fails to start. I think this might be to do with the build pack and latest version of meteor 0.9.x?
Where should I start to debug this from?
2014-09-02T05:02:58.848513+00:00 heroku[web.1]: State changed from crashed to starting
2014-09-02T05:03:05.407436+00:00 heroku[web.1]: Starting process with command `.meteor/heroku_build/bin/node .meteor/heroku_build/app/main.js`
2014-09-02T05:03:06.578829+00:00 app[web.1]: module.js:340
2014-09-02T05:03:06.579092+00:00 app[web.1]: throw err;
2014-09-02T05:03:06.586422+00:00 app[web.1]: at Function.Module._load (module.js:280:25)
2014-09-02T05:03:06.578419+00:00 app[web.1]:
2014-09-02T05:03:06.586423+00:00 app[web.1]: at Module.require (module.js:364:17)
2014-09-02T05:03:06.579105+00:00 app[web.1]: ^
2014-09-02T05:03:06.586414+00:00 app[web.1]: Error: Cannot find module 'fibers'
2014-09-02T05:03:06.586426+00:00 app[web.1]: at require (module.js:380:17)
2014-09-02T05:03:06.586420+00:00 app[web.1]: at Function.Module._resolveFilename (module.js:338:15)
2014-09-02T05:03:06.586428+00:00 app[web.1]: at Object.<anonymous> (/app/.meteor/heroku_build/app/programs/server/boot.js:1:75)
2014-09-02T05:03:06.586429+00:00 app[web.1]: at Module._compile (module.js:456:26)
2014-09-02T05:03:06.586431+00:00 app[web.1]: at Object.Module._extensions..js (module.js:474:10)
2014-09-02T05:03:06.586432+00:00 app[web.1]: at Module.load (module.js:356:32)
2014-09-02T05:03:06.586434+00:00 app[web.1]: at Function.Module._load (module.js:312:12)
2014-09-02T05:03:06.586436+00:00 app[web.1]: at Module.require (module.js:364:17)
2014-09-02T05:03:07.681468+00:00 heroku[web.1]: State changed from starting to crashed
2014-09-02T05:03:07.680466+00:00 heroku[web.1]: Process exited with status 8