Transport error

Wordpress.com for Google Docs is broken. I just installed and when I open the google docs complement appears this error: "Se requiere autorización para realizar esa acción." (this is the error on the browser console: ""There was an error during the transport or processing of this request. Error code = 10, Path = /wardeninit""). If I try to try to add a site with the "add a site" button opens an authorize windows, I click on "Approve", and then appears an other error "Failed to load resource: the server responded with a status of 500 ()" on the console and "Alguien puede estar tratando de engañarlo para que le de acceso a su sitio. O simplemente puede haber encontrado un error :). De cualquier manera, por favor cierre esta ventana."

Reproduce the Google Docs add-on flow by opening a document, using “add a site,” and approving authorization. Start with the browser console errors at /wardeninit and the authorization window’s 500 response; done means the add-on can authorize a WordPress.com site without either error.

Written by the indexing model from the issue text.