After upgrade Block manager doesn't work

[cafeboricua]

Updated my board from Rc5 to Rc6 and when I click on Block Manager this is what shows.

 

OutOfRangeException Object
(
    [message:protected] => 
    [string:Exception:private] => 
    [code:protected] => 0
    [file:protected] => /home/cafebori/public_html/system/Patterns/ActiveRecord.php
    [line:protected] => 107
    [trace:Exception:private] => Array
        (
            [0] => Array
                (
                    [file] => /home/cafebori/public_html/applications/core/modules/front/system/widgets.php
                    [line] => 55
                    [function] => load
                    [class] => IPS\Patterns\_ActiveRecord
                    [type] => ::
                    [args] => Array
                        (
                            [0] => 139
                        )

                )

            [1] => Array
                (
                    [function] => getBlockList
                    [class] => IPS\core\modules\front\system\_widgets
                    [type] => ->
                    [args] => Array
                        (
                        )

                )

            [2] => Array
                (
                    [file] => /home/cafebori/public_html/system/Dispatcher/Controller.php
                    [line] => 85
                    [function] => call_user_func
                    [args] => Array
                        (
                            [0] => Array
                                (
                                    [0] => IPS\core\modules\front\system\widgets Object
                                        (
                                             => IPS\Http\Url Object
                                                (
                                                    [url:protected] => http://www.cafeboricua.com/?app=core&module=system&controller=widgets
                                                    [data] => Array
                                                        (
                                                            [scheme] => http
                                                            [host] => www.cafeboricua.com
                                                            [path] => /
                                                            [query] => app=core&module=system&controller=widgets
                                                        )

                                                    [queryString] => Array
                                                        (
                                                            [app] => core
                                                            [module] => system
                                                            [controller] => widgets
                                                        )

                                                    [isInternal] => 1
                                                    [isFriendly] => 1
                                                )

                                        )

                                    [1] => getBlockList
                                )

                        )

                )

            [3] => Array
                (
                    [file] => /home/cafebori/public_html/applications/core/modules/front/system/widgets.php
                    [line] => 39
                    [function] => execute
                    [class] => IPS\Dispatcher\_Controller
                    [type] => ->
                    [args] => Array
                        (
                        )

                )

            [4] => Array
                (
                    [file] => /home/cafebori/public_html/system/Dispatcher/Dispatcher.php
                    [line] => 129
                    [function] => execute
                    [class] => IPS\core\modules\front\system\_widgets
                    [type] => ->
                    [args] => Array
                        (
                        )

                )

            [5] => Array
                (
                    [file] => /home/cafebori/public_html/index.php
                    [line] => 13
                    [function] => run
                    [class] => IPS\_Dispatcher
                    [type] => ->
                    [args] => Array
                        (
                        )

                )

        )

    [previous:Exception:private] => 
)