Ошибка VK API:
Array
(
    [error] => Array
        (
            [error_code] => 38
            [error_msg] => Unknown application: could not get application
            [request_params] => Array
                (
                    [0] => Array
                        (
                            [key] => user_ids
                            [value] => durov
                        )

                    [1] => Array
                        (
                            [key] => fields
                            [value] => photo_200
                        )

                    [2] => Array
                        (
                            [key] => v
                            [value] => 5.131
                        )

                    [3] => Array
                        (
                            [key] => method
                            [value] => users.get
                        )

                    [4] => Array
                        (
                            [key] => oauth
                            [value] => 1
                        )

                )

        )

)