resolve error "Rendering of template "admin_header_template" failed: TypeError: Cannot read property 'displayName' of undefined

On administration login page, after entering the "administrator" as name and password, blank page shows up. Both of Chrome console and Firfox firebug throw the error
![displayName_Error](https://f.cloud.github.com/assets/1701213/183566/f4d827bc-7ca2-11e2-8a07-1974b0593855.png)

Inspecting the "oae.data.me" object, there is no "profile" field defined in this object. Eliminating profile solves the problem since "displayName" is defined as a property of oae.data.me object.