Full exception:

```
$e = OAuthException Object
(
    [message:protected] => Invalid consumer key
    [string:Exception:private] => 
    [code:protected] => 0
    [file:protected] => /Applications/MAMP/htdocs/renku-server/wp-content/plugins/WordPressOAuthProvider/oauth.php
    [line:protected] => 618
    [trace:Exception:private] => Array
        (
            [0] => Array
                (
                    [file] => /Applications/MAMP/htdocs/renku-server/wp-content/plugins/WordPressOAuthProvider/oauth.php
                    [line] => 561
                    [function] => get_consumer
                    [class] => OAuthServer
                    [type] => ->
                    [args] => Array
                        (
                            [0] => OAuthRequest Object
                                (
                                    [parameters:protected] => Array
                                        (
                                            [browse] => featured
                                        )

                                    [http_method:protected] => GET
                                    [http_url:protected] => http://baikonur.local.dev:80/?browse=featured
                                    [base_string] => 
                                )

                        )

                )

            [1] => Array
                (
                    [file] => /Applications/MAMP/htdocs/renku-server/wp-content/plugins/WordPressOAuthProvider/provider.php
                    [line] => 236
                    [function] => verify_request
                    [class] => OAuthServer
                    [type] => ->
                    [args] => Array
                        (
                            [0] => OAuthRequest Object
                                (
                                    [parameters:protected] => Array
                                        (
                                            [browse] => featured
                                        )

                                    [http_method:protected] => GET
                                    [http_url:protected] => http://baikonur.local.dev:80/?browse=featured
                                    [base_string] => 
                                )

                        )

                )

            [2] => Array
                (
                    [function] => plugins_loaded
                    [class] => WPOAuthProvider
                    [type] => ::
                    [args] => Array
                        (
                            [0] => 
                        )

                )

            [3] => Array
                (
                    [file] => /Applications/MAMP/htdocs/renku-server/wp-includes/plugin.php
                    [line] => 405
                    [function] => call_user_func_array
                    [args] => Array
                        (
                            [0] => Array
                                (
                                    [0] => WPOAuthProvider
                                    [1] => plugins_loaded
                                )

                            [1] => Array
                                (
                                    [0] => 
                                )

                        )

                )

            [4] => Array
                (
                    [file] => /Applications/MAMP/htdocs/renku-server/wp-settings.php
                    [line] => 210
                    [function] => do_action
                    [args] => Array
                        (
                            [0] => plugins_loaded
                        )

                )

            [5] => Array
                (
                    [file] => /Applications/MAMP/htdocs/renku-server/wp-config.php
                    [line] => 91
                    [args] => Array
                        (
                            [0] => /Applications/MAMP/htdocs/renku-server/wp-settings.php
                        )

                    [function] => require_once
                )

            [6] => Array
                (
                    [file] => /Applications/MAMP/htdocs/renku-server/wp-load.php
                    [line] => 29
                    [args] => Array
                        (
                            [0] => /Applications/MAMP/htdocs/renku-server/wp-config.php
                        )

                    [function] => require_once
                )

            [7] => Array
                (
                    [file] => /Applications/MAMP/htdocs/baikonur/data/config.php
                    [line] => 11
                    [args] => Array
                        (
                            [0] => /Applications/MAMP/htdocs/renku-server/wp-load.php
                        )

                    [function] => require_once
                )

            [8] => Array
                (
                    [file] => /Applications/MAMP/htdocs/baikonur/library/Baikonur.php
                    [line] => 43
                    [args] => Array
                        (
                            [0] => /Applications/MAMP/htdocs/baikonur/data/config.php
                        )

                    [function] => require_once
                )

            [9] => Array
                (
                    [file] => /Applications/MAMP/htdocs/baikonur/library/Baikonur.php
                    [line] => 12
                    [function] => database
                    [class] => Baikonur
                    [type] => ::
                    [args] => Array
                        (
                        )

                )

            [10] => Array
                (
                    [file] => /Applications/MAMP/htdocs/baikonur/public_html/index.php
                    [line] => 10
                    [function] => bootstrap
                    [class] => Baikonur
                    [type] => ::
                    [args] => Array
                        (
                        )

                )

        )

    [previous:Exception:private] => 
)
```