Talk:Facebook Friend Campaign/@comment-24.110.18.105-20140421010737/@comment-129.15.100.220-20140423152413

I had that issue after inviting everyone on the list that came up. Keep friending people and eventually one person came up come up and I was able to use the search box to get others. It may be part of a privacy setting. If you go to Settings -> Apps, there's an option at the top of the "Apps you use" section that allows you to turn off all game invites. The setting warns you that if you turn "platform" off then (I'm not sure this is the thing that is causing the issue however):
 * Your friends won't be able to interact and share with you using apps and websites.