Notice (8): Trying to access array offset on value of type null [APP/Controller/ExamsController.php, line 14]
Code Context
    {
        parent::beforeFilter();
        $this->studentId = $this->userValue['Student']['id'];
ExamsController::beforeFilter() - APP/Controller/ExamsController.php, line 14
CakeEventManager::dispatch() - CORE/Cake/Event/CakeEventManager.php, line 243
Controller::startupProcess() - CORE/Cake/Controller/Controller.php, line 677
Dispatcher::_invoke() - CORE/Cake/Routing/Dispatcher.php, line 189
Dispatcher::dispatch() - CORE/Cake/Routing/Dispatcher.php, line 167
[main] - APP/webroot/index.php, line 107

Notice (8): Trying to access array offset on value of type null [APP/Controller/ExamsController.php, line 14]
Code Context
    {
        parent::beforeFilter();
        $this->studentId = $this->userValue['Student']['id'];
ExamsController::beforeFilter() - APP/Controller/ExamsController.php, line 14
CakeEventManager::dispatch() - CORE/Cake/Event/CakeEventManager.php, line 243
Controller::startupProcess() - CORE/Cake/Controller/Controller.php, line 677
Dispatcher::_invoke() - CORE/Cake/Routing/Dispatcher.php, line 189
Dispatcher::dispatch() - CORE/Cake/Routing/Dispatcher.php, line 167
[main] - APP/webroot/index.php, line 107