array(1) {
  ["error"]=>
  array(3) {
    ["error_code"]=>
    int(5)
    ["error_msg"]=>
    string(65) "User authorization failed: method is unavailable with group auth."
    ["request_params"]=>
    array(6) {
      [0]=>
      array(2) {
        ["key"]=>
        string(5) "oauth"
        ["value"]=>
        string(1) "1"
      }
      [1]=>
      array(2) {
        ["key"]=>
        string(6) "method"
        ["value"]=>
        string(9) "wall.post"
      }
      [2]=>
      array(2) {
        ["key"]=>
        string(8) "owner_id"
        ["value"]=>
        string(9) "-87313620"
      }
      [3]=>
      array(2) {
        ["key"]=>
        string(7) "message"
        ["value"]=>
        string(7) ""Tanya""
      }
      [4]=>
      array(2) {
        ["key"]=>
        string(11) "attachments"
        ["value"]=>
        string(19) ""photo34_408897832""
      }
      [5]=>
      array(2) {
        ["key"]=>
        string(1) "v"
        ["value"]=>
        string(4) "5.57"
      }
    }
  }
}