The authorizationcode that the app requested. The app can use the authorization code to request an access token for the target resource. Authorizationcodes are very short lived, typically they expire after about 10 minutes. State: If a state parameter is included in the request, the same value should appear in the response.
I'm trying to change the image of cover of a fanpage using the Facebook API.
I can interact with other actions, such upload an image, but I can not update it. I follow the example of documentation (https://developers.facebook.com/docs/graph-api/reference/v2.2/page?locale=es_LA) but I get the error: '(# 210) A page access token is required to request this resource. '
I got the page access token, but I can not use it. I leave part of the code:
From already thank you very much and sorry for my English.
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