Glup serve is not working on ubntu

[sumiodz]

gulp serve
/var/www/html/ani-theme/node_modules/socket.io/lib/store.js:35
Store.prototype.proto = EventEmitter.prototype;
^

TypeError: Cannot read property 'prototype' of undefined
at Object. (/var/www/html/ani-theme/node_modules/socket.io/lib/store.js:35:41)
at Module._compile (module.js:571:32)
at Object.Module._extensions..js (module.js:580:10)
at Module.load (module.js:488:32)
at tryModuleLoad (module.js:447:12)
at Function.Module._load (module.js:439:3)
at Module.require (module.js:498:17)
at require (internal/module.js:20:19)
at Object. (/var/www/html/ani-theme/node_modules/socket.io/lib/manager.js:16:13)
at Module._compile (module.js:571:32)
I have downgrade npm version 3.10.7 still not working

[jmperez127]

I was having the same error with node's version 7. I installed v6.9.1 through nvm and it worked.