Following the docs in the bundle, I get this exception:
InvalidConfigurationException: Unrecognized options “fos_facebook”
under “security.firewalls.main”
It looks like documentation in #6 is wrong, but I see (also here in StackOverflow) that many people used “fos_facebook” option succesfully.
My Symfony version is 2.0.9 (currently last one)
Check that you have configured the factories option correctly, like so: