I ran into the same problem. I fixed this by following the two sections below.
a. Enabled "Auth Advanced Dialog" from the "advanced" application setting.
b. the user and friend permissions are muffled along with the advanced permissions tab on the auth dialog page.
I'm not sure what he did, but started to work.
BUT. Although authentication works and the messages reflect my timeline, the add to timeline button still shows "Add to timeline."
Another trick I used is to constantly check the permissions of the application on the account settings tab on my profile page.
Hope this helps!
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