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Try resetting your connection to FB by disconnecting it from the game, close the game, reopen and connect again and see if it's updated.
If that doesn't work there's another way to reset the connection which should work. You need to log out of the game, remove the FB App from your tablet (you can download it again once you finished the reset), open up a web browser and open up FB and log into your account. Now open the game and click connect, once that's done your connection should be reset.