it doesn't start when i send npm express-mvc-generator

[tanosk8]

this is output when i send the command on terminal

npm WARN saveError ENOENT: no such file or directory, open '/Users/xyz/workspace-nodejs/prova/package.json' npm notice created a lockfile as package-lock.json. You should commit this file. npm WARN enoent ENOENT: no such file or directory, open '/Users/gaetano/workspace-nodejs/roveeeeeee/package.json' npm WARN prova No description npm WARN prova No repository field. npm WARN prova No README data npm WARN prova No license field.

• [email protected] added 4 packages from 3 contrib

can u help me?!