Facebook error 210 “User not visible”

Question

[php]

I\'ve got an error \"User not visible\" with error code 210 as response while publishing content on friends wall via application.

:::Scenario is as fol

Answer 1

Your app may not have permission to post on the given friend's wall.

When a user authorizes your app, they give you permissions to act on their behalf.

This permission does not ensure that you can always post on friends' walls, just as the user may not be able to post on the wall using the UI.