Ionic serve error: unreadable "refresher"

I don’t know what’s going on with ionic serve, its not building ionic.app.css and its throwing some weird errors:

stream.js:94
      throw er; // Unhandled stream error in pipe.
            ^
Error: www/lib/ionic/scss/ionic:30: error: file to import not found or unreadable: "refresher"

my gulp file is fine, same as default one, i just added that errLogToConsole
I am on latest Ionic versions, 1.4 alpha 6.

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