TypeError: Path must be a string. Received undefined

I followed steps here
https://ember-fastboot.com/docs/deploying#deploying-your-app
And after start
```ember-fastboot /usr/src/fe/dist/ --port 80```
I got net error:

> path.js:8
> throw new TypeError('Path must be a string. Received ' +
> ^
>
> TypeError: Path must be a string. Received undefined
> at assertPath (path.js:8:11)
> at Object.posix.join (path.js:479:5)
> at readPackageJSON (/usr/local/lib/node_modules/ember-fastboot-server/lib/server.js:177:20)
> at FastBootServer.buildEmberApp (/usr/local/lib/node_modules/ember-fastboot-server/lib/server.js:39:16)
> at new FastBootServer (/usr/local/lib/node_modules/ember-fastboot-server/lib/server.js:16:8)
> at Object. (/usr/local/lib/node_modules/ember-fastboot-server/bin/ember-fastboot:27:14)
> at Module._compile (module.js:409:26)
> at Object.Module._extensions..js (module.js:416:10)
> at Module.load (module.js:343:32)
> at Function.Module._load (module.js:300:12)
>
There is my `dist/package.json` which was generated by `ember build`
https://gist.github.com/devdemi/3d3806530a53d8ea81e08f4588e69d83

My versions:
node: 4.5.0
npm: 2.15.9
ember-cli: 2.15.0

Please help me to find reason of this error.