FQL seems to produce NilClass with Test Users - Using Koala

[eEnergy]

I'm using Koala to query the FB API. It works fine for users that are not Test Users. The following FQL results in a Nil class.

@result = @graph.fql_query('SELECT pic_square FROM user WHERE uid = Test_User_id')

Any clues why this is the case. Thanks!

[Alex Koppel]

I'm guessing that test users don't have pictures -- is it returning nil or the actual class NilClass?  If you set the log level to debug in Koala::Utils, what does Facebook send back?

Best,

Alex 

Von meinem iPad gesendet

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[Nabil Takla]

Thanks Alex for your reply. I'm sorry for my late reply. I was working on another project. It is returning the actual class NilClass. I get the following error when I query Graph API explorer:

{
  "error": {
    "message": "Error validating access token: The session is invalid because the user logged out.", 
    "type": "OAuthException", 
    "code": 190, 
    "error_subcode": 467
  }
}

I have designated the user as a user who installed my app. I'm not sure at this point why I get access token error. Best!