Facebook graph: detecting if "log in" is required in order to get info

Hi,
I am using facebook graph API, according to their documentation, I should get error code 464.
[url]https://developers.facebook.com/docs/graph-api/using-graph-api/#errors[/url]

Now I have the following get requerst for the post of the user hsisd:
[url]https://graph.facebook.com/hsisd/posts[/url]

And I get error code 104, that a token is required.
When I use the token of my application:
[url]https://graph.facebook.com/hsisd/posts?access_token=310960802248841%257CTaT9XcCggyWBouZqyBxgtISbj3k[/url]

Then I just get empty data.

That is because a logged in user is required and this is an application token.

Now my question is, is there any way that I can check if a logged in user access_token is required or not?

How do I check it?

Because empty data array can happen due to many reason, how can I detect if this is due to user log in requirement?

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