Facebook tends to lock your account when you log in on different location / IP address, We need you to enable two factors authentication, so it will ask a code when we try to login instead of identity confirmation. That is why we need the recovery codes for that.
Guide for getting Facebook recovery codes: https://goo.gl/BphkbU
Make sure your account linked to the Facebook properly!
Also note while you wait for your order to process you may still play on your account.