array(1) {
  ["error"]=>
  array(4) {
    ["message"]=>
    string(80) "An active access token must be used to query information about the current user."
    ["type"]=>
    string(14) "OAuthException"
    ["code"]=>
    int(2500)
    ["fbtrace_id"]=>
    string(23) "AgybAkrb7ek80XXKr1SgCOa"
  }
}