hubot error

Hubot Running

$yo hubot
/root/.nvm/versions/node/v5.2.0/lib/node_modules/yo/node_modules/mkdirp/index.js:90
below err0;
^

Error: EACCES:permission denied, mkdir'/root/.config/configstore'
at Error (native)
at Object.fs.mkdirSync (fs.js:843:18)
at Function.sync(/root/.nvm/versions/node/v5.2.0/lib/node_modules/yo/node_modules/mkdirp/index.js:71:13)
at Object.create.all.get(/root/.nvm/versions/node/v5.2.0/lib/node_modules/yo/node_modules/configstore/index.js:38:13)
at Object.Configstore(/root/.nvm/versions/node/v5.2.0/lib/node_modules/yo/node_modules/configstore/index.js:27:44)
at new Insight (/root/.nvm/versions/node/v5.2.0/lib/node_modules/yo/node_modules/insight/lib/index.js:37:34)
at Object.(/root/.nvm/versions/node/v5.2.0/lib/node_modules/yo/lib/cli.js:130:11)
at Module._compile(module.js:399:26)
at Object.Module._extensions..js(module.js:406:10)
at Module.load (module.js:345:32)

Attempt to grant access in chown.

$sudo town $root-R
/root/.nvm/versions/node/v5.2.0/lib/node_modules

chown: `/root/.nvm/versions/node/v5.2.0/lib/node_modules'
does not have an operand after it Try'chown --help' for more information.

I don't know the solution.Please let me know. Is the root probably bad?