Information on inviting other players or your own alternate characters to your guild

What to do when you get a 504 Gateway Error when attempting to use a RAF Link

What to do if you cannot invite another player to your party

What to do if you can't send or accept invite for Recruit A Friend in World of Warcraft

Information about managing when your character can receive guild invites

How to verify a World of Warcraft Recruit A Friend link

Information about restrictions that can occur on your account if your orb balance becomes negative.

What to do if you haven't received your Recruit a Friend rewards in World of Warcraft

What to do if you are experiencing Trial Restriction error messages after purchasing The War Within

Group invite errors with "This friend is playing a different version of world of warcraft"