unable to login - Exception file protected vboxconnector.php

Exception Object
(
    [message:protected] => Could not connect to host (http://127.0.0.1:18083/)
    [string:Exception:private] => 
    [code:protected] => 64
    [file:protected] => /var/www/endpoints/lib/vboxconnector.php
    [line:protected] => 220
    [trace:Exception:private] => Array
        (
            [0] => Array
                (
                    [file] => /var/www/endpoints/lib/vboxconnector.php
                    [line] => 5530
                    [function] => connect
                    [class] => vboxconnector
                    [type] => ->
                    [args] => Array
                        (
                        )

                )

            [1] => Array
                (
                    [file] => /var/www/endpoints/lib/vboxconnector.php
                    [line] => 951
                    [function] => remote_vboxSystemPropertiesGet
                    [class] => vboxconnector
                    [type] => ->
                    [args] => Array
                        (
                            [0] => 
                        )

                )

            [2] => Array
                (
                    [file] => /var/www/endpoints/api.php
                    [line] => 316
                    [function] => __call
                    [class] => vboxconnector
                    [type] => ->
                    [args] => Array
                        (
                            [0] => vboxSystemPropertiesGet
                            [1] => Array
                                (
                                    [0] => 
                                    [1] => Array
                                        (
                                            [0] => Array
                                                (
                                                    [data] => Array
                                                        (
                                                            [responseData] => Array
                                                                (
                                                                )

                                                        )

                                                    [errors] => Array
                                                        (
                                                        )

                                                    [persist] => Array
                                                        (
                                                        )

                                                    [messages] => Array
                                                        (
                                                        )

                                                )

                                        )

                                )

                        )

                )

        )

    [previous:Exception:private] => 
)


Location:http://127.0.0.1:18083/