why does posting to facebook page yield “user hasn't authorized the application”

Question

I have read the fb docs and written code to publish a message to a facebook \"page\", however I am getting an error that I don\'t expect to see:

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Answer 1

Well, this seems to be a common mistake that most of us make while trying to do an activity in social netwroks. Before trying to put up an open graph action,You need to set the permissions in your initial authorization request . By default you only gain 'read-only' access to their basic information. Settintg up permisson at teh time of authetication is a must for Facebook and LinkedIn APIs..

See the public_actions section in Facebook open graph permissions here and make relevant changes in the authorization code , and get your issue solved.