Sao install on debian

i just to install sao and i got this :frowning_face:

npm WARN deprecated bower@1.8.8: We don't recommend using Bower for new projects. Please consider Yarn and Webpack or Parcel. You can read how to migrate legacy project here: https://bower.io/blog/2017/how-to-migrate-away-from-bower/

> tryton-sao@4.2.21 postinstall /home/vagrant/node_modules/tryton-sao
> bower install --allow-root

/home/vagrant/node_modules/bower/lib/node_modules/configstore/index.js:54
                                throw err;
                                ^

Error: EACCES: permission denied, open '/root/.config/configstore/bower-github.json'
You don't have access to this file.

    at Object.fs.openSync (fs.js:646:18)
    at Object.fs.readFileSync (fs.js:551:33)
    at Configstore.get (/home/vagrant/node_modules/bower/lib/node_modules/configstore/index.js:35:26)
    at new Configstore (/home/vagrant/node_modules/bower/lib/node_modules/configstore/index.js:28:45)
    at readCachedConfig (/home/vagrant/node_modules/bower/lib/config.js:19:23)
    at defaultConfig (/home/vagrant/node_modules/bower/lib/config.js:11:12)
    at Object.<anonymous> (/home/vagrant/node_modules/bower/lib/index.js:16:32)
    at Module._compile (module.js:653:30)
    at Object.Module._extensions..js (module.js:664:10)
    at Module.load (module.js:566:32)
npm WARN enoent ENOENT: no such file or directory, open '/home/vagrant/package.json'
npm WARN vagrant No description
npm WARN vagrant No repository field.
npm WARN vagrant No README data
npm WARN vagrant No license field.

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! tryton-sao@4.2.21 postinstall: `bower install --allow-root`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the tryton-sao@4.2.21 postinstall script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /root/.npm/_logs/2019-02-22T10_00_59_365Z-debug.log