UnknownError: Connection refused (Connection refused)

[TylerL-uxai]

I'm trying this with mean.js 4.2 (brand new install) and I get this error.

Running "protractor:e2e" (protractor) task
webdriver-manager path: /Users/tdiddy/meaning42/node_modules/grunt-protractor-runner/node_modules/protractor/bin/webdriver-manager
selenium standalone is up to date.
chromedriver is up to date.
Starting selenium standalone server...
[launcher] Running 1 instances of WebDriver
Selenium standalone server started at http://192.168.0.30:56356/wd/hub

/Users/tdiddy/meaning42/node_modules/grunt-protractor-runner/node_modules/selenium-webdriver/lib/atoms/error.js:108
  var template = new Error(this.message);
                 ^
UnknownError: Connection refused (Connection refused)
    at new bot.Error (/Users/tdiddy/meaning42/node_modules/grunt-protractor-runner/node_modules/selenium-webdriver/lib/atoms/error.js:108:18)