Warning (2): Undefined array key "deck-oven-accesssories" [APP/Controller/Frontend/ProductsController.php, line 107]

                                                 'link' => Router::url(['_name' => $this->routeNameMap($key), 'slug_category' => $root, 'slug_subcategory' => $slug]),
                                                 'name' => $productCategories[$slug],
                                             ]);

App\Controller\Frontend\ProductsController::index() - APP/Controller/Frontend/ProductsController.php, line 107
Cake\Controller\Controller::invokeAction() - CORE/src/Controller/Controller.php, line 531
Cake\Controller\ControllerFactory::invoke() - CORE/src/Controller/ControllerFactory.php, line 149
Cake\Http\BaseApplication::handle() - CORE/src/Http/BaseApplication.php, line 313
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 77
Authentication\Middleware\AuthenticationMiddleware::process() - ROOT/vendor/cakephp/authentication/src/Middleware/AuthenticationMiddleware.php, line 122
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\Routing\Middleware\RoutingMiddleware::process() - CORE/src/Routing/Middleware/RoutingMiddleware.php, line 161
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\Http\Middleware\EncryptedCookieMiddleware::process() - CORE/src/Http/Middleware/EncryptedCookieMiddleware.php, line 93
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\Http\Middleware\BodyParserMiddleware::process() - CORE/src/Http/Middleware/BodyParserMiddleware.php, line 157
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\Routing\Middleware\AssetMiddleware::process() - CORE/src/Routing/Middleware/AssetMiddleware.php, line 68
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\Error\Middleware\ErrorHandlerMiddleware::process() - CORE/src/Error/Middleware/ErrorHandlerMiddleware.php, line 126
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73

Warning (512): Unable to emit headers. Headers sent in file=/home/production/public_html/vendor/cakephp/cakephp/src/Error/Debugger.php line=971 [CORE/src/Http/ResponseEmitter.php, line 71]

Code Context

            $message = "Unable to emit headers. Headers sent in file=$file line=$line";
            trigger_error($message, E_USER_WARNING);
        }

Cake\Http\ResponseEmitter::emit() - CORE/src/Http/ResponseEmitter.php, line 71
Cake\Http\Server::emit() - CORE/src/Http/Server.php, line 128
[main] - ROOT/webroot/index.php, line 40

Warning (2): Cannot modify header information - headers already sent by (output started at /home/production/public_html/vendor/cakephp/cakephp/src/Error/Debugger.php:971) [CORE/src/Http/ResponseEmitter.php, line 168]

Code Context

            $response->getStatusCode(),
            ($reasonPhrase ? ' ' . $reasonPhrase : '')
        ));

header - [internal], line ??
Cake\Http\ResponseEmitter::emitStatusLine() - CORE/src/Http/ResponseEmitter.php, line 168
Cake\Http\ResponseEmitter::emit() - CORE/src/Http/ResponseEmitter.php, line 74
Cake\Http\Server::emit() - CORE/src/Http/Server.php, line 128
[main] - ROOT/webroot/index.php, line 40

Code Context

            foreach ($values as $value) {
                header(sprintf(
                    '%s: %s',

header - [internal], line ??
Cake\Http\ResponseEmitter::emitHeaders() - CORE/src/Http/ResponseEmitter.php, line 197
Cake\Http\ResponseEmitter::emit() - CORE/src/Http/ResponseEmitter.php, line 75
Cake\Http\Server::emit() - CORE/src/Http/Server.php, line 128
[main] - ROOT/webroot/index.php, line 40