Notice (8): Trying to get property of non-object [APP/View/Cell/HeaderCell.php, line 26]Code Context
      $this->loadModel('SliderUploads');
      $sliderUploads = $this->SliderUploads->find('all', ['order' => 'SliderUploads.position ASC', 'conditions' => ['SliderUploads.slider_id' => $navigation->slider_id]])->all();
$session = object(Cake\Network\Session) {
	[protected] _engine => null
	[protected] _started => true
	[protected] _lifetime => '1440'
	[protected] _isCLI => false
}
$navigation = null
App\View\Cell\HeaderCell::carousel() - APP/View/Cell/HeaderCell.php, line 26
ReflectionMethod::invokeArgs() - [internal], line ??
Cake\View\Cell::Cake\View\{closure}() - CORE/src/View/Cell.php, line 181
Cake\View\Cell::render() - CORE/src/View/Cell.php, line 223
Cake\View\Cell::__toString() - CORE/src/View/Cell.php, line 264
include - APP/Template/Layout/template.ctp, line 94
Cake\View\View::_evaluate() - CORE/src/View/View.php, line 992
Cake\View\View::_render() - CORE/src/View/View.php, line 952
Cake\View\View::renderLayout() - CORE/src/View/View.php, line 633
Cake\View\View::render() - CORE/src/View/View.php, line 592
Cake\Controller\Controller::render() - CORE/src/Controller/Controller.php, line 611
Cake\Routing\Dispatcher::_invoke() - CORE/src/Routing/Dispatcher.php, line 120
Cake\Routing\Dispatcher::dispatch() - CORE/src/Routing/Dispatcher.php, line 87
[main] - ROOT/webroot/index.php, line 37