grav/user/plugins/gantry5/src/classes/Gantry/Component/Router/Router.php
            throw $e;
 
        } catch (\Exception $e) {
            // Handle errors.
            if ($this->container->debug()) {
                throw $e;
            }
            $response = $this->getErrorResponse($e, $this->format == 'json');
        }
 
        return $this->send($response);
    }
 
    public function execute($resource, $method = 'GET', $path, $params = [], $format = 'html')
    {
        $class = '\\Gantry\\Admin\\Controller\\' . ucfirst($format) . '\\' . strtr(ucwords(strtr($resource, '/', ' ')), ' ', '\\');
 
        // Protect against CSRF Attacks.
        if (!in_array($method, ['GET', 'HEAD'], true) && !$this->checkSecurityToken()) {
            throw new \RuntimeException('Invalid security token; please reload the page and try again.', 403);
        }
 
        if (!class_exists($class)) {
            if ($format == 'json') {
                // Special case: All HTML requests can be returned also as JSON.
                $response = $this->execute($resource, $method, $path, $params, 'html');
                return $response instanceof JsonResponse ? $response : new JsonResponse($response);
            }
 
            throw new \RuntimeException('Page Not Found', 404);
        }
 
        /** @var BaseController $controller */
        $controller = new $class($this->container);
 
        // Execute action.
        $response = $controller->execute($method, $path, $params);
 
        if (!$response instanceof Response) {
            $response = new HtmlResponse($response);
Arguments

Environment & details:
GET Data
_url
"/admin/gantry/configurations/default/styles.json"
POST Data
styles
array:13 [
  "preset" => "preset3"
  "base" => array:4 [
    "background" => "#ffffff"
    "text-color" => "#666666"
    "body-font" => "roboto, sans-serif"
    "heading-font" => "roboto, sans-serif"
  ]
  "accent" => array:2 [
    "color-1" => "#558b2f"
    "color-2" => "#8bc34a"
  ]
  "header" => array:2 [
    "background" => "#3c7216"
    "text-color" => "#ffffff"
  ]
  "navigation" => array:3 [
    "background" => "#558b2f"
    "text-color" => "#ffffff"
    "overlay" => "rgba(0, 0, 0, 0.4)"
  ]
  "showcase" => array:3 [
    "background" => "#344e2c"
    "image" => ""
    "text-color" => "#ffffff"
  ]
  "feature" => array:2 [
    "background" => "#ffffff"
    "text-color" => "#666666"
  ]
  "subfeature" => array:2 [
    "background" => "#f0f0f0"
    "text-color" => "#666666"
  ]
  "main" => array:2 [
    "background" => "#ffffff"
    "text-color" => "#666666"
  ]
  "footer" => array:2 [
    "background" => "#ffffff"
    "text-color" => "#666666"
  ]
  "offcanvas" => array:5 [
    "background" => "#344e2c"
    "text-color" => "#ffffff"
    "width" => "17rem"
    "toggle-color" => "#ffffff"
    "toggle-visibility" => "1"
  ]
  "breakpoints" => array:5 [
    "large-desktop-container" => "75rem"
    "desktop-container" => "60rem"
    "tablet-container" => "48rem"
    "large-mobile-container" => "30rem"
    "mobile-menu-breakpoint" => "48rem"
  ]
  "menu" => array:2 [
    "col-width" => "180px"
    "animation" => "g-fade"
  ]
]
Files empty
Cookies
g5-collapsed
"{"swatches":false}"
_pk_id_15_71bf
"3fd3794b13d8f4a2.1477677731.5.1484078960.1484078960."
_pk_id_19_71bf
"37de8e1230b91147.1484253283.1.1484253283.1484253283."
_pk_ses_19_71bf
"*"
21efba6
"0j18416pe2btl19n2kcfnbh4u4"
21efba6-admin
"0vdm6gj2p7dksbcrh39c9401d1"
Session
user
User {}
expert
false
redirect_after_login
"/admin/notifications/task:processNotifications"
messages
Message {}
Server/Request Data
TEMP
"/tmp"
TMPDIR
"/tmp"
TMP
"/tmp"
PATH
"/usr/local/bin:/usr/bin:/bin"
HOSTNAME
""
USER
"www-data"
HOME
"/var/www"
HTTP_COOKIE
"g5-collapsed={"swatches":false}; _pk_id.15.71bf=3fd3794b13d8f4a2.1477677731.5.1484078960.1484078960.; _pk_id.19.71bf=37de8e1230b91147.1484253283.1.1484253283.1484253283.; _pk_ses.19.71bf=*; coderz-21efba6=0j18416pe2btl19n2kcfnbh4u4; coderz-21efba6-admin=0vdm6gj2p7dksbcrh39c9401d1"
HTTP_ACCEPT_LANGUAGE
"en-GB,en-US;q=0.8,en;q=0.6"
HTTP_ACCEPT_ENCODING
"gzip, deflate"
HTTP_REFERER
"/admin/gantry/configurations/default/styles?nonce=8a2545192bc35cfbd82efaa246a66d9c"
HTTP_DNT
"1"
HTTP_ACCEPT
"*/*"
HTTP_CONTENT_TYPE
"application/x-www-form-urlencoded"
HTTP_USER_AGENT
"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36"
HTTP_CONTENT_LENGTH
"1370"
HTTP_CONNECTION
"keep-alive"
HTTP_HOST
"coderz.ca"
REDIRECT_STATUS
"200"
PATH_INFO
"/index.php"
SCRIPT_FILENAME
"/var/www/grav/index.php"
SERVER_PORT
"80"
SERVER_ADDR
"10.0.0.2"
REMOTE_PORT
"52568"
SERVER_SOFTWARE
"nginx/1.11.7"
GATEWAY_INTERFACE
"CGI/1.1"
REQUEST_SCHEME
"http"
SERVER_PROTOCOL
"HTTP/1.1"
DOCUMENT_ROOT
"/var/www/grav"
DOCUMENT_URI
"/index.php"
REQUEST_URI
"/admin/gantry/configurations/default/styles.json?nonce=8a2545192bc35cfbd82efaa246a66d9c"
SCRIPT_NAME
"/index.php"
CONTENT_LENGTH
"1370"
CONTENT_TYPE
"application/x-www-form-urlencoded"
REQUEST_METHOD
"POST"
QUERY_STRING
"_url=/admin/gantry/configurations/default/styles.json"
FCGI_ROLE
"RESPONDER"
PHP_SELF
"/index.php/index.php"
REQUEST_TIME_FLOAT
1484253309.4648
REQUEST_TIME
1484253309
Environment Variables empty
Registered Handlers
0. Whoops\Handler\PrettyPageHandler
1. Whoops\Handler\CallbackHandler

RuntimeException (403)
Invalid security token; please reload the page and try again.

14
RuntimeException 
…/user/plugins/gantry5/src/classes/Gantry/Component/Router/Router.php77
13
Gantry\Component\Router\Router execute
…/user/plugins/gantry5/src/classes/Gantry/Component/Router/Router.php55
12
Gantry\Component\Router\Router dispatch
…/user/plugins/gantry5/gantry5.php257
11
Grav\Plugin\Gantry5Plugin onAdminPagesInitialized
…/vendor/symfony/event-dispatcher/EventDispatcher.php184
10
 call_user_func
…/vendor/symfony/event-dispatcher/EventDispatcher.php184
9
Symfony\Component\EventDispatcher\EventDispatcher doDispatch
…/vendor/symfony/event-dispatcher/EventDispatcher.php46
8
Symfony\Component\EventDispatcher\EventDispatcher dispatch
…/vendor/rockettheme/toolbox/Event/src/EventDispatcher.php23
7
RocketTheme\Toolbox\Event\EventDispatcher dispatch
…/system/src/Grav/Common/Grav.php273
6
Grav\Common\Grav fireEvent
…/system/src/Grav/Common/Processors/PagesProcessor.php25
5
Grav\Common\Processors\PagesProcessor process
…/system/src/Grav/Common/Grav.php122
4
Grav\Common\Grav Grav\Common\{closure}
…/system/src/Grav/Common/Grav.php359
3
Grav\Common\Grav Grav\Common\{closure}
…/system/src/Grav/Common/Grav.php335
2
 call_user_func_array
…/system/src/Grav/Common/Grav.php335
1
Grav\Common\Grav __call
…/system/src/Grav/Common/Grav.php123
0
Grav\Common\Grav process
…/index.php51