I got this not-helpful error message when posting new content:
Failed posting to your Facebook Timeline. Error: {“message”:”(#100) You haven’t enabled Explicitly Shared for this action type (331247406956072) yet. Please update your Open Graph settings in the App Dashboard”,”type”:”OAuthException”}
I found the solution here:
David Farquhar is a computer security professional, entrepreneur, and author. He started his career as a part-time computer technician in 1994, worked his way up to system administrator by 1997, and has specialized in vulnerability management since 2013. He invests in real estate on the side and his hobbies include O gauge trains, baseball cards, and retro computers and video games. A University of Missouri graduate, he holds CISSP and Security+ certifications. He lives in St. Louis with his family.