Trying to access array offset on value of type bool

#0 /Application/View/page.phtml(2): Spawn\Spawn::exception(8, 'Trying to acces...', '/Application/Vi...', 2, Array)
#1 /Library/Spawn/View.php(224): include('/Application/Vi...')
#2 /Application/Controller/Pages.php(36): Spawn\View->render()
#3 /Library/Spawn/Spawn.php(85): Controller\Pages->showAction(Object(Spawn\Request))
#4 /index.php(36): Spawn\Spawn->init()
#5 {main}

ErrorException Object
(
    [message:protected] => Trying to access array offset on value of type bool
    [string:Exception:private] => 
    [code:protected] => 0
    [file:protected] => /Application/View/page.phtml
    [line:protected] => 2
    [trace:Exception:private] => Array
        (
            [0] => Array
                (
                    [file] => /Application/View/page.phtml
                    [line] => 2
                    [function] => exception
                    [class] => Spawn\Spawn
                    [type] => ::
                    [args] => Array
                        (
                            [0] => 8
                            [1] => Trying to access array offset on value of type bool
                            [2] => /Application/View/page.phtml
                            [3] => 2
                            [4] => Array
                                (
                                    [page] => 
                                    [side_nav] => Array
                                        (
                                        )

                                )

                        )

                )

            [1] => Array
                (
                    [file] => /Library/Spawn/View.php
                    [line] => 224
                    [args] => Array
                        (
                            [0] => /Application/View/page.phtml
                        )

                    [function] => include
                )

            [2] => Array
                (
                    [file] => /Application/Controller/Pages.php
                    [line] => 36
                    [function] => render
                    [class] => Spawn\View
                    [type] => ->
                    [args] => Array
                        (
                        )

                )

            [3] => Array
                (
                    [file] => /Library/Spawn/Spawn.php
                    [line] => 85
                    [function] => showAction
                    [class] => Controller\Pages
                    [type] => ->
                    [args] => Array
                        (
                            [0] => Spawn\Request Object
                                (
                                    [uri] => Spawn\Request\Uri Object
                                        (
                                            [config] => Spawn\Config Object
                                                (
                                                    [path] => Bin/Config/
                                                    [_name] => Uri
                                                )

                                            [path] => pages/show/30
                                        )

                                )

                        )

                )

            [4] => Array
                (
                    [file] => /index.php
                    [line] => 36
                    [function] => init
                    [class] => Spawn\Spawn
                    [type] => ->
                    [args] => Array
                        (
                        )

                )

        )

    [previous:Exception:private] => 
    [severity:protected] => 8
)